Asteroid Apophis, or "God of Chaos," will pass close to Earth on April 13, 2029. This rare encounter offers scientists a ...

With its massive gravitational pull, Jupiter has altered the orbit of asteroids and comets for billions of years. Without ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship. But how can that be? If Jupiter doesn ...