The asteroid collision that killed the dinosaurs 65 million years ago may have been a major cosmic crack-up, but it was nothing compared to a bigger impact that occurred roughly four billion years ...

(CNN) — Jupiter’s moon Ganymede may have shifted on its axis when a massive asteroid smashed into it about 4 billion years ago, according to a new study. Ganymede, the largest moon in the solar system ...

Jupiter's moon Ganymede is the largest moon in the solar system and is even wider than the planet Mercury. National Oceanic and Atmospheric Administration The history of our solar system is a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA/JPL-Caltech/SwRI/MSSS/Kalleheikki Kannisto A ...

The largest moon in our solar system may have been knocked off its axis and cracked like an egg four billion years ago by an asteroid bigger than the one that wiped out the dinosaurs on Earth at the ...

The solar system's largest moon, Ganymede, which orbits the largest planet, Jupiter, was hit by an asteroid four billion years ago that shifted the gas giant's satellite on its axis, new research ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The troughs that dominate the surface of the solar system’s ...