" Project Hail Mary ", the new movie based on author Andy Weir's book of the same name, is a wild romp through the cosmos.

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict ...

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Answers to some of those questions could finally become public after President Trump's call last week for the release of ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

Heavy snow warning as up to 30 inches to strike: 'Stay indoors' 'SNL' mocks Trump over rising gas prices in cold open Uh, scientists have significantly miscalculated Earth’s sea levels After 93 years ...