In 2015, when NASA’s New Horizons spacecraft encountered the Pluto-Charon system, the Southwest Research Institute-led science team discovered interesting, geologically active objects instead of the ...

This story was updated at 5:02 p.m. EST. The first of two gravity-mapping NASA spacecraft entered into orbit around the moon today (Dec. 31), marking a New Year's arrival in a mission that will study ...

There's a reason there isn't a full moon every night or a lunar eclipse every month. Just as the earth orbits around the sun, the moon orbits the earth. It takes roughly 27 days for the moon complete ...

Rep. Louie Gohmert (R-Texas) on Tuesday asked a representative from the U.S. Forest Service if it was possible to alter the orbit of the moon or the Earth as a way of combating climate change, though ...