A stream of charged particles that blows from Earth (foreground) to the Moon could account for the rust compounds found in lunar soils. Most of the time, both Earth and the Moon are bathed in a stream ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's atmosphere have landed in the lunar soil, creating a possible source of ...