Blue Origin plans to launch its New Shepard rocket on a mission with no passengers carrying science experiments for NASA and other customers.

Hitters have long claimed some fastballs rise when nearing the plate. The effort to make that perception real has revolutionized the game.

It's the reliable celestial companion that's stuck around for 4.5 billion years. But the moon is slowly drifting away from ...

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this ...

Long ago, the Moon was much nearer Earth. Scientists believe a protoplanet collision created the Moon 4.5 billion years ago.