Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...

An asteroid 20 times larger than the one that may have wiped out the dinosaurs struck Jupiter's moon Ganymede some 4 billion years ago, dramatically shifting the possibly life-hosting satellite's axis ...

I believe extraterrestrial intelligence (in AI form) could be concealed under the lunar surface," Alex Ellery told Newsweek.

Click to enjoy a journey across our spacious solar system courtesy of Josh Worth. How do you picture the solar system? Most of us imagine the eight planets as colorful balls of varying sizes moving in ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

A team of scientists at the Southwest Research Institute, using photography commissioned from NASA's James Webb Space Telescope, have discovered a previously unknown moon in our solar system that's in ...

Explore 7 mysterious and interesting facts about the Moon, including its origin, water presence, orbit, size, and potential for future human colonization and exploration.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Juno mission ...

Re-analysis of data from NASA’s Voyager spacecraft, along with new computer modeling, has led NASA scientists to conclude that four of Uranus’ largest moons likely contain an ocean layer between their ...