Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

Regardless of whether or not they succeed, their ambitious idea really made us wonder… What would happen if Earth had two moons? Well, it wouldn't be pretty. Imagine the Moon's identical twin ...

Hera spacecraft captured rare images of Deimos, one of Mars’ two moons, from 621 miles away while en route to the asteroid moonlet Dimorphos. Like our moon, Deimos is tidally locked to Mars, meaning ...

The moons are "very small" and "very faint," Ashton said. Because the moons appear mostly as just little white dots on a black background in the photos taken of them, astronomers don't know much about ...