About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to ...

Scientists studying Saturn's icy moon, Enceladus, have discovered that its ocean forms layers that slow the upward movement ...

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

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...