The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

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

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Project Hail Mary, the adaptation of The Martian author Andy Weir's 2021 sci-fi novel, has proven to be one of the biggest movies of the year. After an incredible theatrical run following its March 20 ...

A man who claims to be a time traveler from the year 2118 has made a series of extraordinary predictions about the future, ...

Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Moon bases, living to 100 and (finally!) flying cars. What 2076 and our future will look like may be stranger than we expect.

Steven Spielberg’s sci-fi adventure-mystery about the possibility of aliens on Earth stars Emily Blunt, Josh O’Connor and Colman Domingo Tyson has “no reason to doubt” there’s non-human species out in ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Life-forms made of stuff we couldn’t imagine may still be as conscious as we are.