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 ...

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

The “alien” is actually a potato. Specifically, it is a purple tuber nicknamed Spudnik-1, grown and photographed by Pettit. While the photo looks like a sci-fi horror prop, it actually represents the ...

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

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

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

Ryan Gosling's "Project Hail Mary" costar is a high-maintenance creature with his own "glam squad." The actor introduces us to Rocky, a lovable alien.

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

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 ...

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

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 ...