A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of hearings and UAP files.

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

James Franco’s TikTok video is grabbing attention, fueling alien conspiracy theories. The actor uploaded a video of himself ...