Jay Stratton's memoir, 'Out of the Shadows,' is being published Oct. 13

Donald Trump's declassified UFO files and the documentary Sleeping Dog reignite the debate on extraterrestrial life, yet officials maintain no evidence confirms alien existence.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results.

The Trump administration announced the release of newly declassified Unidentified Anomalous Phenomena records, launching a Department of War website to provide public access to government files as part of a transparency push.

How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.

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

Former President Barack Obama has been forced to clarify his bombshell claim that aliens truly do exist. The former commander-in-chief initially made the extraordinary revelation over the weekend during an appearance on the No Lie With Brian Tyler Cohen ...

Aliens Existence Odds: Will the Government Share Alien Evidence This Year? It might be one of the most entertaining prediction markets on the board, but it is also seeing real money flow in. The Kalshi market asking whether the U.S. government will confirm ...