Donald Trump: “I said, 'Good, you have until 12 p.m. on Saturday.'”

Our calling is to explore. Our purpose is to build, and our aim is always to win.

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 are talking to Iran. We have been.