A video of a woman spotting “two moons” in the night sky from her roof is going viral on social media, leaving the internet ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts a potential volcanic exomoon between the exoplanet WASP-49Ab, left, and its parent star.

A Space: 1999-ish shuttle lands on an under-construction moonbase, where scientists have just found a secret hatch containing… something alien, in this trailer from Moon, a new game coming soon for ...

Find Solar System Moons Latest News, Videos & Pictures on Solar System Moons and see latest updates, news, information from ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...