When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

The new space station crew includes American Chris Williams, who holds a Ph.D. in astronomy and is a board-certified medical ...

Outer space contains more incredible phenomenons and unsolved mysteries than anywhere else—and we think it's just fascinating. Join Hank for an incredible tour of our solar system in this SciShow ...