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

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

It’s a stunning find because until now granite on the moon was found only in traces within ... “We were a bit puzzled when we found it.” The mass of granite likely formed from unerupted ...

It is not the bone-dry mass that scientists had thought it to be for generations, including when Armstrong first stepped foot near the moon’s equator ... 240,000 Olympic-size pools, according ...

Projectiles flying faster than bullets from a blast 130 times bigger than the global nuclear stockpile helped form giant ...

For example, the gravitational field strength of the Moon is 1.6 N/kg ... The other thing that affects the size of gravity is the object's mass. The bigger the mass, the greater the force of ...

Powered by three solar panels, the spacecraft is designed to stick the landing when it makes it to the moon's surface with shock-absorbing feet, a low center of mass and a wide footprint ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south po ...

Jutting off in straight lines from a massive crater like two bilby ears near the Moon's South Pole, is a pair of valleys similar to the Grand Canyon in size ... Crater to a mass extinction ...