(CNN) — A spacecraft left behind by US astronauts on the lunar surface could be causing small tremors known as moonquakes, according to a new study. Researchers revealed the previously unknown form of ...

All but one of the Apollo program’s used lunar modules either crashed into the Moon’s surface or burned up in Earth’s atmosphere. Apollo 10’s lunar module, Snoopy, is still out there, drifting ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A spacecraft left ...

A new video breaks down how the NASA Lunar Rover worked, and it’s a fascinating reminder of just how strange and clever this ...