"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Billions of people around the world wake up every day the same way, reading traumatic news. They reach for a phone, open a ...

Interstellar object 3I/ATLAS has triggered a global scientific alert after emitting mysterious radio signals, prompting NASA ...