The closing line of Star Trek: The Next Generation's first episode encapsulates the franchise's central themes.

A new study suggests that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere. It's believed to be the ...

Ian Stokes Here at Space.com, we love the night sky, rocket launches and sci-fi just as much as you do. Each month (from here ...

There are tens of thousands of near-Earth objects (NEOs) that represent some of the most easily accessible resources in the ...