Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

Tennessee Rep. Tim Burchett, who did not elaborate on the alleged briefings he received, has pushed for the government to ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

McCasland was last seen on February 27 at about 11 a.m. near Quail Run Court NE in Albuquerque, New Mexico, and a Silver ...

The Department of Homeland Security is hiring a litany of private contractors and giving them thousands of names monthly of ...

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

California Attorney General Rob Bonta, 23 other Attorneys General, and the Governor of Pennsylvania filed a lawsuit ...

A man who federal agents had sought to question in connection with the disappearance of his girlfriend -- who turned up dead ...

The Colibrí Center for Human Rights was a vital link between families and their missing loved ones. Now it's gone dark.