For the last decade Harvard astronomer Avi Loeb has been scanning the skies and seas for evidence of intelligent alien life.

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 ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

From flying saucer sightings to an Air Force-funded study at CU Boulder, the city played an unexpected role in America's UFO ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Halloween time is notorious for being labeled “spooky season.” The time is filled with people spreading scary stories and embracing their interests in the mysterious; but what does the mysterious ...

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...