From the WOW Signal to methane on Mars and recent biosignatures detected on exoplanets like K218b, the evidence for ...

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage collected by the U.S. government, though no physical evidence has been submitted to ...

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

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is just a story.

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts said.