Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit.
Most evidence shows that supermassive black holes (SMBH) sit in the center of massive galaxies like ours. Their masses can be extraordinary; many billions of times more massive than the Sun. All that concentrated mass has a powerful effect on their surroundings.
Could we prevent in-orbit crashes in the future by using advanced computer models?
Saturn, the sixth planet from the Sun, is famous for its magnificent ring system. However, the planet also possesses a vast and diverse collection of natural satellites, or moons. As of today, Saturn has 146 confirmed moons, including 62 that have been officially named.
From dark-sky parks to remote deserts, these locations offer prime views of the March 3, 2026, blood moon.
Upgrading to the latest cameras may require changing your imaging techniques.
Relatedly, astronomers may have just pushed the upper size limit of what counts as a planet.
Thia and Dek arrive on Hulu/Disney+ just in time for a romantic Valentine's Day weekend.
The 4-billion-year-old Moon rocks brought back from the farside of the Moon challenge ideas about what it was like in the early solar system.
ESA marked the opening of the 2026 Winter Olympics by capturing the venue from low-Earth orbit.
On 10 February 2026, the European Space Agency (ESA) signed a contract with OHB Italia for the development of the Rapid Apophis Mission for Space Safety (Ramses). Launching in 2028, Ramses will rendezvous with the asteroid Apophis before its rare close encounter with Earth. The mission will provide unique insight into the physical properties and behaviour of asteroids, and strengthen international collaboration and European capabilities in planetary defence.
Image: The Egg Nebula
NASA and SpaceX are proceeding ahead of schedule with their next astronaut launch to the International Space Station, which is currently operating with a skeleton crew.
The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.
Satellite data have captured the intensity of rainfall over the Iberian Peninsula during three severe winter storms, and the extent of flooding that followed around the Tejo River and basin in Portugal.
The Moon has a long history of being smacked by large rocks. Its pock-marked, cratered surface is evidence of that. Scientists expect that, as part of those impacts, some debris would be scattered into space - and that we should be able to track it down. But so far, there have been startlingly few discoveries of these Lunar-origin Asteroids (LOAs) despite their theoretical abundance. A new paper from Yixuan Wu and their colleagues at Tsinghua University explains why - and how the Vera Rubin Observatory might help with finding them.
Mars’ water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went. Data from rovers like Perseverance and Curiosity, along with orbiting satellites such as the Mars Reconnaissance Orbiter and ExoMars have shown that Mars used to be a wet world with an active hydrodynamic cycle. Obviously it isn’t anymore, but where did all the water go? A new paper that collects data from at least six different instruments on three different spacecraft provides some additional insight into that question - by showing that dust storms push water into the Red Planet’s atmosphere, where it is actively destroyed, all year round.
The moon will pass directly in front of the sun on Feb. 17, setting the stage for a dramatic annular solar eclipse.
Join ESA teams to watch live the launch and docking of Crew-12, marking the beginning of a nine‑month mission to the International Space Station.
Fans of the Star Wars franchise will surely remember the iconic scene where Luke Skywalker steps out of his uncle and aunt's home on Tatooine to contemplate his future. Looking to the far horizon, wondering if he will ever get off that desolate desert planet, he gazes upon two setting suns. Naturally, some purists (like myself) would be quick to point out that Lucas "borrowed" this idea from the late and great Frank Herbert (creator of the Dune franchise). Nevertheless, the scene masterfully illustrates why Tatooine is a hostile, unforgiving planet where the indigenous inhabitants are nomads or salvagers, and the primary industry is "moisture farming."
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