My life has been an amazing journey,” Gerard wrote in his social media post. “The opportunities I’ve had, the people I’ve met ...

“Avatar: Fire and Ash,” a 20th Century Studios release, opens in theaters Dec. 19. It’s rated PG-13 by the Motion Picture ...

A rock no bigger than a golf ball could have caused the recent lunar impact, according to the observatory. At an ultra-high ...

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing Saturn-moon pairing. December’s “cold moon”—seen here rising above Whitby Abbey in ...

Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse. In Washington, a NASA office is leading efforts to spot and neutralize ...