Roughly 4.3 billion years ago, a massive asteroid slammed into the far side of the moon, carving out the South Pole–Aitken ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

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 ...

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 ...

Around 4.5 billion years ago, a dramatic event changed Earth forever. A massive, planet-sized body called Theia slammed into ...

The Moon is not, in fact, a giant cosmic wheel of Gouda. In a landmark paper published in Nature, researchers from the French ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

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

A protoplanet crashed into Earth more than four billion years ago, ejecting the Moon. It is now clear where the protoplanet ...

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