Interstellar comet 3I/ATLAS, the third known object to enter our solar system from another star, underwent a dramatic chemical and physical shift after swinging past the Sun. Observations by the James ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...