(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

The Black Knight story didn’t begin as a claim of alien technology. It began as an object that didn’t fit existing categories. Early observations, signals, and images were difficult to reconcile with ...

'Do all aliens really need sunlight?' ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond our planet. Reading time 3 minutes In humanity’s search for life beyond Earth ...

Ryan Gosling’s newest costar is high-maintenance, had an entourage around him at all times and required his own wardrobe department on set. He’s also a space alien. “He is in the hotel right now in ...

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

The mission, which launched on April 1, will see a crew go further into space than anyone else and is expected to reach the ...

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

Nearly two dozen ‘Earth-like’ planets that could be crawling with alien life have been identified by scientists. Exoplanets are what scientists call worlds that orbit other stars (though some are ...

Swalwell’s anti-ICE campaign collides with his past backing of sheriff tied to agency With NASA’s lunar comeback a galactic-sized smash thanks to Artemis II, the world is wondering: What’s next? And ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...