Donald Trump: “We're going to have a big discussion. The autism rate is at a level that nobody ever believed possible. If you look at…”

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

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.

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

Do we want to go further with strikes to ensure Iran's nuclear program is dead and that it will never happen again?