The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

The scientific community tends to employ ‘confidence of life’ detection scales: a multi-step ‘ladder’ that begins with ...

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

A new batch of declassified Pentagon UFO materials is fueling fresh public fascination — but files still do not confirm ...

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage ...

The search for alien life no longer feels like a fringe idea or a distant fantasy. This video walks through the strongest clues ever put forward, from unexplained signals to possible fossils and signs ...

“The U.F.O. topic in particular is a big challenge to any religious worldview,” said Jeffrey Kripal, a professor of religion ...

Astrophysicist Neil deGrasse Tyson has backed former President Barack Obama after he suggested extraterrestrial life exists.

NASA administrator Jared Isaacman says declassified UAP files show real unexplained phenomena but no alien bodies or crashed ...

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.

Obama emphasized there’s no way such a secret could stay confidential. “If there were aliens or alien spaceships or anything under the ...