New conspiracy theories suggest the CIA may have accessed DNA databases like 23andMe to search for alien-human hybrids.

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

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

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

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

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

A massive release of Pentagon UFO records has sparked global interest in unexplained aerial phenomena (UAP) transparency.

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

Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people ...

A Harvard professor said Monday he may have uncovered evidence of alien life in the universe and told Americans it would fundamentally change their understanding of their existence. Harvard Professor ...

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new ...

Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life ...