Identifying stars in the night sky: a practical and complete guide
Learn to identify stars and constellations with apps, maps, and tricks. Key areas, practical tips, and mobile sky photography.
Astronomy
Flying through a solar storm: what really happens on an airplane
Effects of a solar storm on flights: communications, GPS, diversions, and real risks. A clear and up-to-date guide on how it's managed in aviation.
NASA accused of hiding data on comet 3I/ATLAS
Loeb accuses NASA of withholding a key image from 3I/ATLAS. The agency denies it; Europe is monitoring the situation and sees no risk to Earth.
The biggest solar storm in history: from the Carrington Event to the Miyake extreme events
What was the biggest solar storm ever, how did it affect us, and what would happen today? Facts, evidence, and how to prepare for extreme events.
November lunar calendar: phases, supermoon and practical guide
November lunar phases, supermoon, and meteor showers with times in Spain. Guide to haircuts and hair removal according to lunar influence.
Big Crunch: The end of the universe that comes full circle
What is the Big Crunch, when might it happen, and how does it compete with the Big Freeze and Big Rip? A complete guide with theories, facts, and cultural references.
How global warming could disrupt space communications
CO2 cools the ionosphere and creates layers that interfere with radio and satellite signals. Impact on Spain and Europe and measures to anticipate it.
The "ghost" asteroid hiding between Mercury and Venus
A "ghost" asteroid detected between Mercury and Venus: second fastest and safest. How it was discovered and what it reveals about the solar system.
Planetary Defense for Comet 3I/ATLAS: The Campaign That Tests the IAWN
IAWN coordinates a global operation for 3I/ATLAS. Dates, objectives, and real risk to Earth, with participation from Spain and Europe.
Asteroid 2025 PN7: the quasi-moon that accompanies Earth
What is 2025 PN7, who detected it, and how long will it remain near Earth? Size, risk, and the role of Spanish astronomers.
Solar Eclipse: Guide to Viewing It in Spain and Europe
How to see the eclipse in Spain: best places, times, weather, and safety. Plan your trip and avoid unexpected surprises with key tips.
Guide to viewing Comet Lemmon from Spain
Comet Lemmon will be visible to the naked eye in Spain. Key dates, where to look, and observation and photography tips. Plan your outing.
Sputnik: The leap that opened the Space Age, explained in detail
The true story of Sputnik: dates, figures, myths, and key facts about the first satellite that changed the space race. Discover it here.
October lunar calendar: phases, dates, and meaning
Moon phases in October: key dates, Harvest Moon, and tips for observing and taking care of yourself during the new moon in Libra.
Northern Lights in Spain: What's True and How to See Them
Will there be auroras in Spain? What the experts say, areas with options, and tips for successful viewing.
Orionids: Guide to Viewing the Meteor Shower
Key dates and times for the Orionids near-new Moon, expected rate, and tips for seeing more meteors in dark skies.
3I/ATLAS: Discoveries that rewrite what we know about comets
Comet 3I/ATLAS displays an antitail, iron-free nickel emission, and water at 2,9 AU. See key data and upcoming observations.
Chinese satellite disintegrates over the Canary Islands with flashes and booms
XYJ-7 re-entered Tenerife with sonic waves and flashes. Detected by AEMET and Involcan. No damage, but with much anticipation.
October lunar calendar: phases, dates, and practical guide
October moon phases and supermoon with times in Spain. Key days for hair and waxing according to the lunar calendar. Check the dates.
NASA releases new data on comet 3I/ATLAS and its impact on Earth.
NASA clarifies the 3I/ATLAS transition: dates, safe distance, visibility, and the observing plan with Hubble, JWST, and ESA missions.
Northern Lights in Spain: Where to see this phenomenon
Check out the areas in Spain with the best chances of seeing the Northern Lights, as well as the best times and tips based on solar activity.
Why Starlink satellites fall every day and what it means
How many Starlink satellites re-enter each day, and what are the risks? Facts, causes, and effects on the atmosphere explained clearly.
Winds on Mars can reach 158 kilometers per hour: keys to the discovery
Martian winds reach 158 km/h (97 mph) according to ESA orbiters. This is key to planning landings and operating rovers with solar panels.
International Moon Observation Night mobilizes cities, universities, and planetariums with free activities and practical advice.
Schedules, locations, and tips for experiencing the International Moon Observation Night in Spain and Argentina. Free admission and tips for observing without a telescope.
The asteroid that passed 400 kilometers from Earth: what we know
TF 2025 passed 423 km above Antarctica. Sofa-sized and safe. Time, trajectory, and how its close flyby was confirmed.
3I/ATLAS, the comet arriving from another system: dates and how to see it
Comet 3I/ATLAS, from another system, is approaching. Dates, visibility from Earth, and what Mars probes have seen.
ESA sets launch of Sentinel-1D for November 4
ESA and Arianespace launch Sentinel-1D on 4 November: time, VA265 mission, and what its SSO orbiting radar will bring to Copernicus.
Harvest Super Moon: Schedule, Visibility, and Guide
Exact time, visibility, and tips for viewing the Harvest Supermoon in Spain. Don't miss it.
Draconids: Complete Guide to Tracking the Meteor Shower
Draconids dates, times, and forecasts: what to expect during a full moon and how to best view this meteor shower in the Northern Hemisphere.
The longest total solar eclipse of the century: what to see and from where
All about the longest total solar eclipse of the century: duration, route, and where to safely watch it in Spain. Key information and tips for enjoying it.
3I/ATLAS, the interstellar visitor passing close to Mars
Keys to Comet 3I/ATLAS: close pass by Mars, timing, unusual chemistry, and what science says versus speculation.
100 Hours of Astronomy: Agenda and Featured Venues
Dates and agenda for 100 Hours of Astronomy: talks, telescopes, and exhibitions in Chile, Buenos Aires, and Mexico. See locations and how to participate.
The rogue planet that breaks growth records and intrigues astronomy
A rogue planet is swallowing 6.000 billion tons per second. What drives it, how it was measured, and what it reveals about its mysterious origin. Read the key facts.
The quasi-satellite PN7 that escorts Earth
What is 2025 PN7 and why it matters: Earth's companion quasi-satellite; detection, size, and potential exploration missions.
What is known about the "hairy" artifact found in Chaco: experts attribute it to space debris
The Puerto Tirol artifact has been identified: a COPV tank that fell from a rocket. Its origin is being analyzed, and the area has been secured by authorities.
Nuclear plan against an asteroid that could collide with the Moon
NASA Evaluates Two 100-K Payloads to Prevent 2024 YR4 from Impacting the Moon: Risks, Launch Windows, and Alternatives
All about the longest total solar eclipse of the century
Date, map, and how to watch it safely: This will be the longest total eclipse of the century, with more than 6 minutes of darkness.
Guide to viewing Comet SWAN at its closest approach
Comet C/2025 R2 SWAN approaches in October. Check out dates, brightness, and tips for viewing with the naked eye or with binoculars under dark skies.
The longest total solar eclipse of the century: a guide to viewing it from Spain
Date, time, map, and tips for viewing the longest total eclipse from Spain. Where it will be total and how to observe it safely.
NASA is working to move Artemis II launch to February.
NASA is considering moving Artemis II to February 2026: tentative date, flight objectives, and schedule key points, with safety as a priority.
Julieta Fierro, pioneer of Mexican astronomy, dies
UNAM confirms the death of Julieta Fierro at 77. Review her career, awards, and legacy as a great science communicator.
Autumn Equinox: Complete Guide to the Astronomical Event
Autumnal equinox 2025: time, meaning, season duration, and notable astronomical phenomena. Check out the timetables by region and what to watch for.
A skyscraper-sized asteroid is approaching Earth: a guide to viewing it and key facts.
Asteroid 2025 FA22 passes at 835.000 km: time, visibility, and live tracking. A safe event with great scientific interest.
Solar Eclipse of September 21: Complete Guide to Visibility, Timing, and Tracking
Schedule, visibility map, and how to watch the September 21 solar eclipse live. Safety tips and key upcoming dates.
The enigma of the red dots of the early universe
JWST suggests the red dots are black hole stars. What they are, why they matter, and how it will be confirmed.
Perseverance finds signs of ancient life on Mars: what's behind the discovery?
Perseverance detects potential biosignatures at Jezero. Here's what the samples look like and what's missing to confirm ancient life on Mars.
Complete guide to the total lunar eclipse of September
Total lunar eclipse times and visibility in Spain. Where and how to watch it, duration of totality, and upcoming eclipses. Don't miss it.
Comet 3I/ATLAS surprises astronomers
3I/ATLAS intrigues with its early tail and abundant CO2. Dates, distance, and what the telescopes will investigate. No risk to Earth.
Perseverance detects possible biosignatures in rocks from Jezero Crater
Perseverance finds chemical signatures in Jezero consistent with past life. Nature publishes the study. The key: bringing the samples back to Earth.
Two fireballs light up the sky in Spain: Soria-Zaragoza and Andalusia
Two fireballs in Spain: Soria-Zaragoza and Andalusia at 79.000 km/h. Videos, data, and how to distinguish them from space debris.
The "cosmic peanut" is approaching Earth: everything we know
A peanut-shaped asteroid passes 3 million km away: date, distance, radar images, and why it poses no danger.
Total lunar eclipse: complete guide to viewing from Spain
Total lunar eclipse schedule and visibility in Spain. Where to view it and tips for enjoying it safely.
JAXA confirms launch of Gxiba-1 satellite from Tanegashima
JAXA sets the launch of UPAEP's Gxiba-1: date and mission to monitor volcanic ash, multidisciplinary team, and partnerships with UNAM and IPN.
What the samples from asteroid Bennu reveal
New analyses of Bennu reveal presolar dust, interstellar organic matter, and hydrated minerals. Learn about its origin and the role of OSIRIS-REx.
Light pollution: How artificial nighttime pollution disrupts birds, the sea, and cities
How nighttime light affects birds, marine ecosystems, and your city, and what measures are already being taken to stop it.
James Webb detects a new moon around Uranus
The James Webb spacecraft has discovered a new moon of Uranus. Its size, orbit, and next steps are explained in detail and without technical jargon.
Ceres and its habitable past: water, organics and energy
Was Ceres habitable? Water, organic matter, and chemical energy point to a favorable past, according to Dawn data and new models.
Black Moon: What it is, when it occurs, and how to take advantage of it
August Black Moon: What it is, when it will happen, and how to take advantage of the darkness to see the sky and the Perseids.
Northern Lights: When and Where to See Them in the United States
NOAA forecasts auroras visible in 13 states. Check out times, likely areas, and tips for viewing tonight under dark skies.
New moon of Uranus: discovery with the James Webb Telescope
James Webb detects a 10-km satellite around Uranus. Orbit, key data, and next steps for S/2025 U1.
Asteroid YR4: current situation, risks and monitoring
NASA rules out danger from asteroid YR4. Size, real risks, and upcoming observations clearly explained.
3I/ATLAS, the interstellar visitor that rekindles scientific debate
All about 3I/ATLAS: size, trajectory, visibility, and debate. Data from Hubble and NASA explained accurately and without sensationalism.
The largest Martian meteorite: auction record and legal battle
Niger is investigating the sale of the largest Martian meteorite, NWA 16788, auctioned in New York for more than $5 million. Facts, chronology, and key information.
The Cosmic Eye of Sauron: Blazar PKS 1424+240 in Detail
PKS 1424+240, the cosmic Eye of Sauron, reveals jet and magnetic field after 15 years with the VLBA. Neutrinos and why they're key.
Comet 12P/Pons-Brooks reveals water with an Earth-like signature
The D/H of 12P/Pons-Brooks coincides with Earth's. ALMA and IRTF mapped heavy and ordinary water, key to understanding the origin of water.
James Webb rules out an Earth atmosphere on TRAPPIST-1
The James Webb spacecraft doesn't detect key gases in TRAPPIST-1 d. Implications for its habitability and upcoming clues about the system's outer planets.
Two fireballs in Spain: reentry and Perseid
What was the fireball seen in Spain: Jielong-3 reentry and a Perseid meteor. Times and trajectories.
The Georgia meteorite that is older than our planet
A fireball fell in Georgia and was found to predate Earth. Researchers explain the age, origin, and fate of the samples.
All about the total solar eclipse in Spain
Times, locations, and safety precautions for viewing the total eclipse in Spain. Maps, preparations, and tips for enjoying it safely at sunset.
Guide to viewing the Perseids: dates, times, and tips
Guide to viewing the Perseids: date, time, best spots, and tips with this year's lunar forecast. Plan your evening now.
Evidence of a giant exoplanet in Alpha Centauri A
The James Webb Space Telescope finds evidence of a giant exoplanet in Alpha Centauri A: a Saturn-like mass, in the habitable zone. What's known and what remains to be confirmed.
The longest solar eclipse: an unprecedented astronomical phenomenon
All about the longest solar eclipse of the century: when it will be, where to see it, and why it's unique. Don't miss it!
This is how the 60-meter asteroid passed close to Earth.
A 60-meter asteroid has passed close to Earth. Does it pose a threat? Discover the key data and how NASA is monitoring it.
Sturgeon Moon: meaning, interesting facts, and how to observe the most special lunar phenomenon of the summer
Do you know what the Sturgeon Moon is? Discover its origin, when to see it, and interesting facts so you don't miss August's most anticipated lunar event.
Alignment of six planets and astronomical spectacle in August
The biggest parade of planets of the year will be visible at dawn in August. Learn how and when to see it.
The most fascinating discoveries of the James Webb Space Telescope
Latest findings from the James Webb telescope: new planets, dying stars, and mysteries of the universe. See the images and trailers here.
The enigma of the interstellar asteroid 3I/ATLAS: science, hypotheses, and discoveries
Object 3I/ATLAS challenges the astronomical community with its size and origin. Comet, asteroid, or something else? All the clues here.
An orbital fossil at the edge of the solar system challenges theories about its origin.
Ammonite, a remote and stable object, challenges the Planet Nine theory and reveals previously unknown clues about the origin of the solar system.
Great mysteries and recent advances about the Milky Way
Recent discoveries about the Milky Way challenge cosmic theory and reveal surprising galactic secrets.
New theory on the origin of the universe challenges classical models
Researchers propose a revolutionary theory about the origin of the universe, eliminating speculative assumptions from the classical model.
Names and Characteristics of Barred Spiral Galaxies
Discover the names and types of barred spiral galaxies, how they form, and their key characteristics.
Solar Storm: How NASA and experts are preparing technological defenses against increased solar activity
NASA launches the TRACERS mission to monitor solar storms and minimize risks to the power grid, satellites, and communications.
Major meteor showers of the summer: Perseids, Delta Aquariids, and Alpha Capricornids
Want to see meteor showers this summer? Dates, tips, and the best places to watch the celestial spectacle.
The asteroid that could change lunar history
Asteroid 2024 YR4 targets the Moon in 2032: uncovering the risk and impact on satellites and space missions.
Constellations: New technologies, citizen science, and activities to rediscover the sky
Explore advances in satellite technology and the best activities to delve into the world of constellations.
All about the July New Moon: meaning, rituals, and how it affects each sign
How does the New Moon in Leo affect you this month? Rituals, events, and everything relevant about its energy and meaning.
The total solar eclipse will revolutionize rural tourism and science in Spain.
Where to watch the total solar eclipse? Discover destinations, reservations, and unique tips for enjoying it in Spain.
Habitable exoplanets: advances in the search and technology to find them
Advances in the search for habitable exoplanets, key technologies, and upcoming discoveries that could change what we know about the universe.
The Leaning Tower of Pisa asteroid is approaching Earth: all about the 2025 OW and its visit
What do we know about the Leaning Tower-sized asteroid 2025 OW? Dates, risks, and how NASA is monitoring it.
New measurements reveal that Uranus does have internal heat.
Uranus isn't dead: recent studies reveal it emits more heat than it receives from the Sun. This changes our view of the planet.
The Jekyll Galaxy and its surroundings in 3D: the mystery of a "dead" galaxy investigated by Spanish scientists
Why did the Jekyll Galaxy stop creating stars? Spanish scientists reveal its surprising surroundings in 3D.
Asteroid Psyche 16: a source of metal and a window to the origin of the planets
Can an asteroid change the global economy? Find out what Psyche 16 is and why NASA is studying it.
The discovery of ammonite reopens the debate about Planet Nine
The discovery of the sednoid Ammonite challenges the Planet Nine hypothesis and reshapes the mystery of the outer solar system.
The James Webb Telescope and the Mysteries of the Early Universe
Recent discoveries from the James Webb Telescope reveal galaxies and cosmic processes that are transforming our understanding of the universe.
Astronomers witness the birth of a planet in real time
Astronomers capture the birth of a planet and the first minerals forming. An unprecedented advance in astronomy.
Are there exoplanets with artificial light? The search for advanced civilizations
Discover how exoplanets are searched for using artificial light and the signs that indicate advanced civilizations.
Where, when, and how to see the spectacular Perseid meteor shower
Key times and locations to view the Perseid meteor shower in Spain. Tips to enjoy the spectacle to the fullest.
How spiral galaxy arms form: a detailed explanation
Discover how spiral arms form in galaxies and the processes that sustain them. Clear and comprehensive explanations. Come in and be amazed!
The largest Martian meteorite found on Earth: record, science, and mystery surrounding Mars
The largest Martian meteorite ever found, an auction record, and new geological mysteries of Mars: science, market, and future.
Formation of a solar system captured on camera: the birth of planets around a baby star
A historic discovery shows how planets are born around a star, revealing the key process behind the origin of the solar system.