The mystery of Mars's interior has been revealed thanks to marsquakes. The liquid core of Earth's planetary neighbor is quite a departure from our own planet's deepest characteristics. Composed ...

Scientists model Saturn's interior, explain planet's unique magnetic field Date: May 5, 2021 Source: Johns Hopkins University Summary: New simulations offer an intriguing look into Saturn's ...

The moon, which orbits Earth at an average distance of about 239,000 miles (385,000 km), has a diameter of about 2,160 miles (3,475 km), a bit more than a quarter of our planet's diameter.