Donald Trump: “You’re buried there. Your people are dying.”

I would rather not destroy the rest of the country if possible, but maybe I will have to. You'll know soon enough.

Within the next two years, NASA will launch the first-ever nuclear-powered spacecraft to Mars.

We're going to be paving the way for astronauts to plant the Stars and Stripes on the red planet.

Stephen's been with me from the beginning. He gets it, very good politically ... and he's a very good manager. He'll do a great job.