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

A man, who was working on the question of "matter existing in two places simultaneously," went mysteriously missing.

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

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 ...

In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

A first-of-its-kind mission launched Friday in the hopes of preventing NASA’s Swift Observatory from dropping out of ...

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

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

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

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

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