Ganymede, which is the largest moon in the Solar System, is also one of its ‘ocean worlds’. Most of these are moons that have an icy crust on top of a subsurface ocean.

For the first time, astronomers think they've found solid evidence of a moon orbiting a planet outside of our solar system. And it's a doozy. The exoplanet, named Kepler-1625b, is 8,000 light ...

Colossal Asteroid, 20 Times the Size of Dinosaur-Killer, Struck Solar System’s Largest Moon 4 Billion Years Ago. Story by ...

Gigantic asteroid impact shifted the axis of Solar System's biggest moon. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2024 / 09 / 240903144929.htm ...

New research confirms Jupiter's moon Io has been a volcanic hellscape for almost the Solar System’s entire 4.57 billion-year history.

The smallest planet in our solar system is Mercury. The planet is about 1/3 of the width of Earth with a radius of 1,516 miles. Earth’s moon has a radius of just over 1,000 miles.

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

Astrum. Triton: The Solar System’s Strangest Moon Explained. Posted: March 18, 2025 | Last updated: March 26, 2025. Discovered in 1846, Triton is the largest moon of Neptune - but it’s unlike ...

Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a Kobe University researcher has realized that the solar system's biggest moon's axis has shifted as a result of the ...

The massive solar outburst washed over Earth, the moon and Mars, bathing them in radiation. And, for the first time, instruments on all three bodies measured the same event almost simultaneously.