The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.

It takes a lot of Democrats marching in lockstep to ruin a state. But as fervently as the governor, the Legislature and hundreds of corrupt judges desire to turn Massachusetts into a Third World ...

A ring camera from a Southern California home captured an alien-like figure walking across a yard. NBC News' Camila Bernal spoke to some experts on whether they feel ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the buil ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

New research shows many people vastly underestimate other people's beliefs in extraterrestrial life. Is social stigma keeping ...