"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

As the Earth flies through space in its celestial dance around the sun, it's accompanied by its perpetual partner, the moon.

A discovery of ancient rocks might finally answer one of the biggest questions in science: how did the Moon form? Researchers have uncovered chemical clues from 3.7-billion-year-old feldspar crystals ...

The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...

The story of how the Moon came to be has always carried a touch of mystery. Picture the young Solar System as a restless place where new worlds grew from swirling gas, dust, and rock. In that chaotic ...