On Dec. 27, 2024, NASA's Juno spacecraft swooped by the volcanic world Io. It witnessed a giant eruption.

Four billion years ago, Ganymede literally got knocked sideways. A giant asteroid slammed into Jupiter’s largest moon, ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Have you ever wondered what a moon sounds like? Apparently, NASA has. Over the weekend ...

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...

Jamie Carter is an award-winning reporter who covers the night sky. Icy moon Ganymede—which JUICE will orbit—appears as a gray, mottled orb crossing the face of Jupiter ... [+] in this image ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

For Ganymede, Dexter got consumed by the idea that you could stand on the moon—the most habitable of the four—at night and see Jupiter and its aurora in its sky. “I went for a more modern ...