Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

A new study proposes a shift in the search for extraterrestrial life, moving away from individual biosignatures toward ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in ...

The University of Arizona is opening a new exhibit this weekend that explores one of humanity's most enduring questions: Are ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Europa looks like a frozen, lifeless moon — but beneath its shattered ice, scientists think there may be a vast saltwater ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

DeLonge is not the only musician to talk about aliens and encountering them. Though not as zealous as the Blink-182 member, ...

Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...