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

Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Saturn just solidified its title as ‘moon king’ with an updated tally of 274 satellites orbiting the gas giant. The ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other planetary ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

“These moons are a few kilometers in size and are likely all fragments of a smaller number of originally captured moons that ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

Turns out, there’s a lot more floating around the planet Saturn than those famous rings. Space scientists announced last week ...

Tense, public squabbles between SpaceX CEO Elon Musk and NASA have stirred the space industry, but behind the scenes, space ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...