On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

This gas giant has some really unique features that make it stand out. If you’re curious about space, learning a few things ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Lake Effect astronomy contributor Jean Creighton shares some myths behind some of our solar system’s most famous moons and ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

What color is moonlight typically, and what other colors can moonlight look like from our perspective on Earth?

Discover when the next full moon will rise in July 2025, why it's called the Hungry Ghost Moon, and what celestial events to watch for.

Researchers armed with the Hubble Space Telescope have revealed that some of Uranus' largest moons have one side brighter than the other — but not the side they were expecting.

NASA’s Juno spacecraft has once again delivered a stunning view of Jupiter’s ever-changing atmosphere. In this latest image, a trail of drifting clouds ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...