Outer space is full of mysteries. Think about it: According to NASA, there could be as many as 100 billion solar systems in the Milky Way, and hundreds of billions of other galaxies in the universe.

MIAMI -- A Halloween costume that depicts a space creature in orange prison garb emblazoned with the words "illegal alien" is reigniting debate over a long-used term based on the U.S. government's ...

Halloween is fast approaching, which means that you should really be starting to think about your costume. Whatever you decide to wear, it's unlikely to be as impressive as a costume worn by a little ...