A newly discovered impact craters on Mars, captured in striking detail by NASA’s Mars Reconnaissance Orbiter. The image, ...

(CNN) — An unmanned NASA rocket exploded early Tuesday evening. According to NASA, the Orbital Sciences Corp.’s Antares rocket and Cygnus cargo spacecraft were set to launch at 6:22 p.m. ET. It was ...

ORLANDO, Fla. – It’s been a long wait, but it could pay off any day now. Last year, NASA announced an upcoming nova outburst that’s expected to pop off overhead around 3,000 light-years from Earth.