High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...

They’ve got their 3Is on the prize. The highly anticipated data 3I/ATLAS’ Earth tour last month is in. A targeted scan of 3I/ATLAS for signs of radio transmitting tech has come up empty — but Harvard ...

Add Yahoo as a preferred source to see more of our stories on Google. A really special video captures that magic as a Ragdoll cat and a deer relax together in the backyard, entirely at ease in each ...