What would really happen if aliens discovered Earth? Some scientists, including Stephen Hawking, warned that first contact ...

Aliens are going to land on this planet centuries from now and wonder two things. One will be what led to the collapse of ...

But now, 60 years after the Prime Directive was introduced to Star Trek lore, Starfleet Academy has just evolved the ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after ...

There is a scene in the movie version of Carl Sagan’s book Contact where the main character, an astronomer who has detected the first radio signal from an alien civilization, is being considered for ...

By examining the potential existence of Dyson spheres, a University of Glasgow scientist aims to guide the search for alien ...

Dario Amodei warns that superhuman AI arriving within two years could trigger mass unemployment, bioterrorism and authoritarian control, unless humanity gets serious about the risks right now.

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

I played the entirety of Alan Turing-inspired, enigma-cracking war game TR-49 on my Steam Deck, but it's not verified for ...

Still, the fancy persists, implanted like a microchip, ever since Erich von Däniken’s 1968 best-seller, “Chariots of the Gods ...

Elon Musk discussed his views on whether aliens exist during a discussion at the World Economic Forum in Davos, Switzerland. Newsweek reached out to Musk’s company SpaceX for additional comment via ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent might they resemble or represent ordinary humans?