"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 ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

If you know any bit of information about how the moon was created, new research indicates that everyone has believed wrong. As the story goes, 4.5 billion years ago, the moon was born as a result of a ...

Research into the formation of the moon was conducted by scientists at the Weizmann Institute of Science in Rehovot, Israel and the Technion-Israel Institute of Technology located in Haifa. Results of ...

The moon was formed 4.5 billion years ago in a "giant impact" that left Earth with a two-hour day, according to new research. Scientists have long debated the circumstances which led to the formation ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

In 1874, James Nasmyth and James Carpenter published a remarkable book: The Moon: Considered as a Planet, a World, and a Satellite. Lavishly illustrated with spectacular images of lunar features based ...

The moon might be about 60 million years older than we thought, according to new research, which hones in on slightly less new research suggesting that the moon is about 100 million years younger than ...