A newly discovered impact craters on Mars, captured in striking detail by NASA’s Mars Reconnaissance Orbiter. The image, taken by the orbiter’s HiRISE camera, reveals a dramatic blast zone radiating ...

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.