The detection of tryptophan on Bennu reinforces the idea that asteroids carried amino acids and nucleobases to early Earth. This changes our understanding of the origin of life.
Discover what the giant cloud N159 is, how it forms massive stars, and what Hubble has revealed about this spectacular nearby star nursery.
Discover the types of space telescopes, their most important missions, and the major projects that will shape the future of astronomy.
The Perseverance rover detects the metallic rock Phippsaksla on Mars, a possible iron- and nickel-rich meteorite that could be part of future samples.
Perseverance detects electrical sparks on Mars. Discover how they are generated, what they mean for the climate, chemistry, and future missions to the Red Planet.
An analysis of the Fermi telescope points to a possible direct trace of dark matter. What has been seen, why is it key, and what remains to be confirmed.
Discover how the ALMA Observatory works, why it is located in Atacama, and what it reveals about distant stars, planets, and galaxies.
Discover why Comet Lemmon's tail tears apart, how the solar wind shapes it, and when to observe this bright comet in the sky.
Discover why Saturn's rings "disappear" at the plane crossing, how often it happens, and how to observe this rare astronomical phenomenon.
Learn to identify Cassiopeia and Ursa Major, find the North Star, and use these constellations to orient yourself and enjoy the night sky.
Northern Lights captured from the ISS: unique photos and video, with two comets in the scene. This is how they were recorded and what they reveal about these polar lights.
Guide to the longest solar eclipse of the century: duration, route through Spain, best places and safety to observe it without risks.
A study in Science places Theia in the inner solar system and clarifies how the Moon formed after a large impact with Earth.
ESO's VLT confirms that 1998 KY26 measures 11 m and rotates in 5 min; this is how Hayabusa2 prepares for an unprecedented and challenging encounter.
40.000 confirmed NEAs: real risks, new telescopes, and diversion plans from ESA and NASA. What it means for Europe.
Perseverance detects more ozone than expected at low altitudes on Mars. A finding led by the Spanish National Research Council (CSIC) that redefines atmospheric chemistry.
This is how the first 3D temperature map of WASP-18b was obtained with the James Webb and what it reveals about its extreme atmosphere.
The ESA warns of a geomagnetic storm. Impact on Spain, technological risks, and how to see the Northern Lights. Key information and updated recommendations.
NASA today releases never-before-seen images from 3I/ATLAS: time in Spain, where to watch it and what the new shots might reveal.
Program and venues for Stars in the Pyrenees: speakers, observations and everything about the 2026-2028 eclipses. Dates, tickets and key information for the event.
Date and time of peak, visibility and best places in Spain to see the 2025 Leonid meteor shower with a waning moon.
ESA's ExoMars mission refines the orbit of 3I/ATLAS from Mars with 10x greater precision. Key for planetary science and defense. We tell you how and why.
New Glenn's second flight will take ESCAPADE to Mars after a weather delay. Route via L2 and key information for tracking it from Spain.
How to deflect asteroids with ion beams and what alternatives exist: DART, gravity tractor, laser and the plans of ESA and NASA.
Discover Abell 3574: collisions, IC 4329 and NGC 5291, captured by DECam at CTIO. Key facts and curiosities to understand this cluster.
Causes and effects of ice cap loss on Mars: seasonal CO2, obliquity, subglacial lakes, and radar. Key data and debate.
What Biosphere 2 taught us about living on Mars: failures, successes, and real challenges for a viable colony.
Deadlines, requirements, and prizes for the contest to name satellites of the Atlantic Constellation. Open to students from 4th grade of Primary School to 4th year of Secondary School.
When and where to see it in Spain, route and duration of the longest eclipse of the century. Times, countries, and safety information to enjoy it without risk.
Avi Loeb reignites the debate on 3I/ATLAS. We analyze the data, the ESA/NASA position, and how it's being viewed in Europe. What does the evidence really say?
Dates and times of the Leonids and Taurids meteor showers in November, with observation tips and the best places to see them in Spain.
What is the barycenter in astronomy, its role in the Solar System, and how does it reveal exoplanets? Clear formulas and examples to help you understand it.
The European Solar Telescope project is progressing in La Palma: a new governing body, a validated design, and funding underway. Learn about the next steps.
From Hipparchus and Messier to NGC, Caldwell, Gaia and SIMBAD: what are astronomical catalogs and how are they used.
Learn to identify stars and constellations with apps, maps, and tricks. Key areas, practical tips, and mobile sky photography.
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.
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.
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 phases, supermoon, and meteor showers with times in Spain. Guide to haircuts and hair removal according to lunar influence.
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.
CO2 cools the ionosphere and creates layers that interfere with radio and satellite signals. Impact on Spain and Europe and measures to anticipate it.
A "ghost" asteroid detected between Mercury and Venus: second fastest and safest. How it was discovered and what it reveals about the solar system.
IAWN coordinates a global operation for 3I/ATLAS. Dates, objectives, and real risk to Earth, with participation from Spain and Europe.
What is 2025 PN7, who detected it, and how long will it remain near Earth? Size, risk, and the role of Spanish astronomers.
How to see the eclipse in Spain: best places, times, weather, and safety. Plan your trip and avoid unexpected surprises with key tips.
Comet Lemmon will be visible to the naked eye in Spain. Key dates, where to look, and observation and photography tips. Plan your outing.
The true story of Sputnik: dates, figures, myths, and key facts about the first satellite that changed the space race. Discover it here.
Moon phases in October: key dates, Harvest Moon, and tips for observing and taking care of yourself during the new moon in Libra.
Will there be auroras in Spain? What the experts say, areas with options, and tips for successful viewing.
Key dates and times for the Orionids near-new Moon, expected rate, and tips for seeing more meteors in dark skies.
Comet 3I/ATLAS displays an antitail, iron-free nickel emission, and water at 2,9 AU. See key data and upcoming observations.
XYJ-7 re-entered Tenerife with sonic waves and flashes. Detected by AEMET and Involcan. No damage, but with much anticipation.
October moon phases and supermoon with times in Spain. Key days for hair and waxing according to the lunar calendar. Check the dates.
NASA clarifies the 3I/ATLAS transition: dates, safe distance, visibility, and the observing plan with Hubble, JWST, and ESA missions.
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.
How many Starlink satellites re-enter each day, and what are the risks? Facts, causes, and effects on the atmosphere explained clearly.
Martian winds reach 158 km/h (97 mph) according to ESA orbiters. This is key to planning landings and operating rovers with solar panels.
Schedules, locations, and tips for experiencing the International Moon Observation Night in Spain and Argentina. Free admission and tips for observing without a telescope.
TF 2025 passed 423 km above Antarctica. Sofa-sized and safe. Time, trajectory, and how its close flyby was confirmed.
Comet 3I/ATLAS, from another system, is approaching. Dates, visibility from Earth, and what Mars probes have seen.
ESA and Arianespace launch Sentinel-1D on 4 November: time, VA265 mission, and what its SSO orbiting radar will bring to Copernicus.
Exact time, visibility, and tips for viewing the Harvest Supermoon in Spain. Don't miss it.
Draconids dates, times, and forecasts: what to expect during a full moon and how to best view this meteor shower in the Northern Hemisphere.
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.
Keys to Comet 3I/ATLAS: close pass by Mars, timing, unusual chemistry, and what science says versus speculation.
Dates and agenda for 100 Hours of Astronomy: talks, telescopes, and exhibitions in Chile, Buenos Aires, and Mexico. See locations and how to participate.
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.
What is 2025 PN7 and why it matters: Earth's companion quasi-satellite; detection, size, and potential exploration missions.
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.
NASA Evaluates Two 100-K Payloads to Prevent 2024 YR4 from Impacting the Moon: Risks, Launch Windows, and Alternatives
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.
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.
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 considering moving Artemis II to February 2026: tentative date, flight objectives, and schedule key points, with safety as a priority.
UNAM confirms the death of Julieta Fierro at 77. Review her career, awards, and legacy as a great science communicator.
Autumnal equinox 2025: time, meaning, season duration, and notable astronomical phenomena. Check out the timetables by region and what to watch for.
Asteroid 2025 FA22 passes at 835.000 km: time, visibility, and live tracking. A safe event with great scientific interest.
Schedule, visibility map, and how to watch the September 21 solar eclipse live. Safety tips and key upcoming dates.
JWST suggests the red dots are black hole stars. What they are, why they matter, and how it will be confirmed.
Perseverance detects potential biosignatures at Jezero. Here's what the samples look like and what's missing to confirm ancient life on Mars.
Total lunar eclipse times and visibility in Spain. Where and how to watch it, duration of totality, and upcoming eclipses. Don't miss it.
3I/ATLAS intrigues with its early tail and abundant CO2. Dates, distance, and what the telescopes will investigate. No risk to Earth.
Perseverance finds chemical signatures in Jezero consistent with past life. Nature publishes the study. The key: bringing the samples back to Earth.
Two fireballs in Spain: Soria-Zaragoza and Andalusia at 79.000 km/h. Videos, data, and how to distinguish them from space debris.
A peanut-shaped asteroid passes 3 million km away: date, distance, radar images, and why it poses no danger.
Total lunar eclipse schedule and visibility in Spain. Where to view it and tips for enjoying it safely.
JAXA sets the launch of UPAEP's Gxiba-1: date and mission to monitor volcanic ash, multidisciplinary team, and partnerships with UNAM and IPN.
New analyses of Bennu reveal presolar dust, interstellar organic matter, and hydrated minerals. Learn about its origin and the role of OSIRIS-REx.
How nighttime light affects birds, marine ecosystems, and your city, and what measures are already being taken to stop it.
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.
Was Ceres habitable? Water, organic matter, and chemical energy point to a favorable past, according to Dawn data and new models.
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.
NOAA forecasts auroras visible in 13 states. Check out times, likely areas, and tips for viewing tonight under dark skies.
James Webb detects a 10-km satellite around Uranus. Orbit, key data, and next steps for S/2025 U1.
NASA rules out danger from asteroid YR4. Size, real risks, and upcoming observations clearly explained.
All about 3I/ATLAS: size, trajectory, visibility, and debate. Data from Hubble and NASA explained accurately and without sensationalism.
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.
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.
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.
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.