While alien hunting is often associated with tinfoil hats and flying saucers, the Search for Extraterrestrial Intelligence ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a proving ground for how serious that search can be. TRAPPIST-1, a dim red ...