Space

ISS Expedition 35 crew lands safely in Kazakhstan

Astronauts repair International Space Station (ISS) leak

Video: Analyzing the atmospheres of far-off worlds

These dead stars are polluted with planet debris

Chelyabinsk asteroid was a game changer

NASA begins again

Hot molecular gas drawn to supermassive black hole at Milky Way center

NASA tests Orion crew module

Putting planets in a petri dish with NASA's Spitzer

Report: Wind, not water, formed mysterious mound on Mars