NatGeo's brief survey of the universe is a must-watch, but with a few caveats...

How do you explore space and make money? Weird Things brainstorms with science writer Dr. Ian O'Neill.

Antimatter-powered spacecraft just got a step closer to reality. But of course, there are some big caveats...

A new space race may be on, and this one will have far more competitors aiming to go to the Moon and stay there longer than the others.

NASA is caught between doing science and pleasing skeptical penny-pinchers.