"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 ...

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

Did Earth once share the solar system with a secret neighbor? :globe_showing_Europe-Africa::new_moon: Scientists now believe ...

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

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

The conventional explanation for the moon's formation is that an enormous rock smashed into the nascent Earth and created it as a result. A new theory challenges the particulars of how events may have ...

Oxygen ion irradiation from Earth's wind drives oxide formation on the lunar surface, causing the Moon to oxidize due to the ...