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

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

Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are ...

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

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

In the current issue of the journal Science, researchers determine the possible composition of Theia. The impactor’s ...

This collision was responsible for more than just creating the moon — it also affected the shape, mass and composition of the Earth. However, new research from the journal Scien ...

According to researchers, the composition of a planet or celestial body holds the entire story of its formation and origin.

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

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