Maymo the Dog gets drawn into a wild game of laser pointer with an alien and can't resist playing along.

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

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...

Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm whether aliens have made contact with Earth.

For roughly the first three decades of his career, Spielberg tended to take a fairly sanguine view of aliens, refusing to succumb to the disaster-movie framework of aliens attacking terrified ...

You never saw them coming. From sci-fi head-scratchers to heartbreaking betrayals, these are the most jaw-dropping TV plot ...

I did not review Supergirl, because it is Den of Geek policy that if you travel for a project at the studio’s request—say, ...