From The Rock and Kelsey Grammer to Iggy Pop and Joan Collins, these unexpected guest spots prove 'Star Trek' has always ...

The third known visitor from another star system, 3I/ATLAS, has already delivered on one of the biggest promises in modern astronomy: a chance to treat an interstellar object as a potential alien ...

Most stars in the cosmos are small, cool red dwarfs, yet the only intelligent life we know orbits a relatively rare yellow ...