After 20 years and 5 billion miles traveled, NASA’s Cassini spacecraft will plummet Friday into Saturn, the planet it knows best. Since 2004, Cassini has orbited the ringed behemoth more than ...

NASA’s Hubble Space Telescope captures the iconic Pillars of Creation, where new stars are born in the Eagle Nebula. A protostar, HH 34, is captured in this image, surrounded by a disk of gas ...