The Saturn V did not cruise to the Moon at a single speed, it accelerated through distinct phases, briefly peaking at a blistering velocity during the burn that hurled Apollo spacecraft out of Earth ...

Somewhere between the stars, far from any sun, a planet is moving quietly through space. There is no orbit to trace and no ...

Astronomers have spotted something unusual, a planet that doesn’t orbit any star. It’s just drifting alone through space. About the size of Saturn, th.

Enceladus, a 500-kilometer-wide moon of Saturn, has been a top target in the hunt for extraterrestrial life for nearly two decades. In 2005, shortly after arriving in orbit around the ringed planet, ...