Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

Findings from a mysterious remote chain of islands off the coast of California are rattling bones in the science community.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Chinese mission Tianwen-2 released a new image of an asteroid orbiting Earth, which is sometimes referred to as a “quasi-moon ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

But scientists are keen to explore the asteroid in detail for other reasons than its unusual orbit. A Chinese spacecraft is ...

Future Artemis astronauts may be able to explore rocks blasted from deep inside the Moon by an ancient giant impact.