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 ...

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...

'This one's exciting.' ...

"This is the first time that we've been able to predict in human history an asteroid visibly passing by the Earth." ...

Donna Hare's decades-old claim that NASA airbrushed UFOs from photos resurfaces, sparking renewed interest and debate despite ...

In new footage from National Geographic’s cameras on board the NASA mission, Reid Wiseman and Jeremy Hansen talk about naming ...

A deleted scene finally explains the blockbuster’s most mocked plot hole, making its infamous alien hacking twist far easier ...

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...

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 ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...