Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

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

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

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — ...

By Joey Roulette and Steve Gorman WASHINGTON, July 3 (Reuters) - NASA and Arizona-based startup Katalyst launched a robotic ...

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

Without a rescue mission, NASA’s Swift Observatory, which studies some of the most powerful explosions in the universe, will ...

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