Scientists may have just found alien life—on a distant ocean world 124 light-years away. Dimethyl sulfide, a known biosignature, was detected. This could change everything. Here's how.

Reasons to be Cheerful reports on Brightworks, a no-curriculum, no-teachers school in San Francisco fostering creativity and ...

Harvard astronomer Avi Loeb currently says there is a 30-40 percent chance the object is not natural in origin.

Regardless of how you feel about the potential for alien life somewhere out there in the universe, UFO sightings are often difficult to substantiate with real evidence. They tend to be fleeting and ...

Are we alone? From the “Wow!” signal to Martian methane and alien biosignatures, explore five of the most compelling signs ...