Long ago, the Moon was much nearer Earth. Scientists believe a protoplanet collision created the Moon 4.5 billion years ago.

Normally, we don't think of the north and south pole of a planet as something subject to change. New research, however, suggests that the poles of the moon were once displaced by massive amounts of ...

The Moon passes 4° north of Saturn at 4 P.M. EDT. Two hours later, the Moon passes 3° north of Neptune at 6 P.M. EDT. Both ...

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 ...

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 ...