Because the Moon is over a quarter the diameter of Earth, the Earth-Moon system is often cited as the pairing in our Solar ...

Recent findings indicate the Moon is still contracting, forming wrinkle ridges that suggest ongoing geological activity.

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

Scientists have studied the moon's surface for decades to help piece together its complex geological and evolutionary history. Evidence from the lunar maria (dark, flat areas on the moon filled ...

And those two landers are only a couple of the uncrewed missions looking to reach the lunar surface — or seek redemption — in the coming months. This year promises to be among the most ...

The gravitational pull of the lunar surface is about 1/6 that of Earth's, meaning a person who weighs about 100 pounds would feel closer to just 17 pounds on the moon. To simulate those conditions ...

Juno photos from the spacecraft's last three flybys of Io show a dark patch emerging on the moon's surface. The most recent image (right) was taken at the greatest distance and, therefore ...