A mystery object feared to be an alien spacecraft has "unexpectedly picked up speed" as it hurtles through space — and towards Earth. The interstellar object known as 3I/ ATLAS has been bursting ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...

The newly released files include nearly 30 videos, which feature a range of mysterious objects. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. Another batch of “UFO Files” have been dropped by ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.