A look at the idea of searching for signs of pollution beyond Earth.

Last fall, President Donald Trump launched plans to “modernize” the White House by tearing down the East Wing and expanding ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...

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

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

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Laser-cut triangles of weathering steel make up most of the large racoon body that now stands in Rainbow Raccoon Park in ...

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

A viral video from a Ukrainian drone attack on Moscow's oil refinery sparked UFO speculation online. Investigations suggest the object was actually an oil tank lid blown into the air by the explosion.

Polygon Summer Game Fest 2026 Live game reveals, world premiere trailers, and what’s next from 40+ developers, publishers, and hardware makers. Aliens: Fireteam Elite 2 is a co-op shooter where you ...