Astronomers have upped the odds that the cosmic boulder will crash into the moon, which could potentially cause a cloud of shrapnel to impact Earth-orbiting satellites and other spacecraft, according ...

A NASA mission led by the University of Arizona is at risk of cancellation, putting groundbreaking asteroid research and ...

Why do civilians join the Marines on their HIMARS missions? The answer is Not What You Think #NotWhatYouThink #NWYT #longs ...

Israeli air defense system fires to intercept missiles during an Iranian attack over Tel Aviv, Israel, Thursday, June 19, ...

Legendary Apollo astronaut Rusty Schweickart and Mary Robinette Kowal, who created alternate-history astronauts in her Lady ...