A NASA whistleblower claimed that the space agency knowingly covered up proof of alien life captured in everyday photos.

Pandora mission is designeed to "provide in-depth study of at least 20 known planets orbiting distant stars," according to ...

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

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

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

This week Ars hosted a live discussion with two space industry experts about the aftermath of the catastrophic explosion of ...

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

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

A private rocket mission aims to boost NASA’s Swift telescope before its orbit decays, extending its hunt for gamma-ray ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...