Anyone tempted to ascribe the nighttime sightings of aircraft to alien intelligence ought to be dissuaded by the vast scale ...

A new paper suggests intelligent extraterrestrials could be eating stars to fuel their sun-steering civilizations.

Einstein's theory predicts alien spacecraft footprints via gravitational waves. Learn about warp drives, spacetime, and the ...

In the quest for alien life, NASA's "Europa Clipper" space mission seeks to unveil the mysteries of Europa, Jupiter's ...

Alan Tudyk stars in Syfy's Resident Alien series, along with an ensemble of talent. Here's where you've seen the Resident ...

President Carter was attached in 1977 to the Voyager spacecrafts that are currently floating through interstellar space.

While privately funded programs to develop space vehicles and execute extraterrestrial missions have been in play for years, ...

The definitive list of alien-hunting films for anyone seeking a thrilling sci-fi movie packed with action, horror, and ...

Elon Musk has lofty goals regarding human progress in space and this year. He’s also already shared his thoughts on so-called UFO and alien sightings…even before all this footage of dozens of ...

Spacecraft tells a gripping story set in a future where humanity has expanded beyond Earth, colonizing distant planets and ...