Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Just moving out the moon-bound rocket to the launch pad was an incredible engineering feat. Watch how NASA got it done.

From moon hotels and billionaire space tourism to SETI’s 21-year search for alien technosignatures, and a censored UFO ...

The goal of the Artemis program is to eventually send Americans to the moon for the first time in more than 50 years, with ...

"Understanding how spaceflight impacts the human brain is crucial as space exploration and tourism expand," a ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Space is full of weird but wonderful things, from unusual rocks on Mars that don’t actually belong there to hidden structures ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

NASA's Europa Clipper spacecraft has captured ultraviolet images of interstellar comet 3I/ATLAS, revealing hidden chemical ...

2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...

From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...