Advanced aliens, if they exist, may have no physical bodies at all and could be built from materials nothing like human flesh ...

A Republican congressman claims Donald Trump once joked about Adam Schiff after being briefed on alleged alien-human hybrids.

Claims that the CIA may have secretly searched through the DNA data of millions of Americans to identify possible alien-human hybrids have resurfaced online, despite no supporting evidence and no ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Alberto Mier/CNN When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO ...