Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

What if some stars we see host alien megastructures? Scientists suggest cooler stars might be surrounded by giant Dyson ...

King Gizzard and the Lizard Wizard announce the arrival of their 28th album, 'Alien Metal', set to take them into the world ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

, July 10 -- Scientists searching for signs of intelligent extraterrestrial life say some of the coldest objects in the Milky Way may not be stars at all but massive energy-collecting structures built ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

The Pentagon has released a fourth batch of newly declassified UFO videos, including footage showing a six-pointed ...

Red and white dwarfs may turn out to be the most promising objects for searching for hypothetical Dyson spheres, systems ...

Donald Trump is said to be dropping a bombshell about aliens.MEGA; @ABCNews/Youtube Trump is said to be 'ready to go' with a shocking speech about aliens.@ABCNews/Youtube;MEGA "People I have spoken ...

An Isles of Capri resident in Collier County, Florida, shared photos of “space jellyfish,” bubble shapes in the sky after a ...