Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

"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 ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

The James Webb Space Telescope measured a potential moon-forming disk encircling an exoplanet, NASA recently announced, inviting researchers to observe and study moon formation as it happens, while ...

Many of the most interesting bodies in our Solar System aren’t planets, but the moons that orbit them. They have active volcanoes, hydrocarbon oceans, geysers, and moon-wide oceans buried under icy ...

For the first time, the chemical composition of a moon-forming disk around a planet has been revealed. The James Webb Space Telescope has, for the first time, measured the carbon-rich concoction that ...

How did the Moon form? Was it from a collision, as has been the longstanding theory, or could it have been captured by the Earth early in our planet’s formation? This is what a recent study published ...

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 ...

For the first time, astronomers have found a disk around a Jupiter-like planet outside of our solar system -- the kind of disk where moons could actively be forming. The disk, known as a ...

An artist's impression of the collision between the early Earth and Theia, which may have formed the moon MPS / Mark A. Garlick Around 4.5 billion years ago, a planet called Theia is thought to have ...

Two immense canyons on the moon's far side that rival Earth's Grand Canyon were produced by a cataclysmic collision nearly four billion years ago, according to new research published on Tuesday.