The world is fair and square when it comes to celebrations. Nothing seems to escape the calendar. Almost every date has become some day. There are the popular o ...

Dark Skies Face the alien invasion in two new scenarios for Terra Invicta. Drop into a world shattered by nuclear fire a century ago, or rewind to 2003 and trade the rush to the stars for a slower ...

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White ...

Avi Loeb, a distinguished cosmologist who previously led Harvard’s astronomy department until 2020 and conducted extensive ...

In 1952, a series of unexplained sightings took place in the skies above Washington. These unidentified objects attracted ...

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

Federal immigration officials have transferred detainees out of the controversial detention facility known as “Alligator ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Violent lightning, deafening thunder and torrential rain swept across London after days of record-challenging temperatures.

Alien conspiracy theory is getting respectable (with a little help from "Disclosure Day"), and it has helped bring America back to magical thinking.

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.