The Drake Equation looks like a simple way to estimate alien civilizations — but the implications are brutal. If the number ...

While some “unfilmable” novels have been successfully adapted, the books on this list might be too difficult to even attempt.

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 more than two decades.

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 ...

Embarking on a spur of the moment astronomy lesson, Musk explained that the sun makes up some 99.8% of mass of the solar system, and that Jupiter, the biggest planet, is just kind of a rounding error ...

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 ...

At Davos, the billionaire said his belief that "it might only be us" in the cosmos drives Tesla, SpaceX, and his vision for ...

Professor Avi Loeb of Harvard cited three reasons 3I/ATLAS might be an alien spacecraft. First, its trajectory is highly ...