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

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 ...

If you know any bit of information about how the moon was created, new research indicates that everyone has believed wrong.

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

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

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

Moon’s precursor planet, Theia, disappeared billions ago, leaving scientists no direct chemical evidence to support the ...

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

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

Chinese scientists looking at the Moon samples brought back by the Chang'e-6 mission find evidence of micron-sized hematite ...

Atoms found deep inside our planet argue that parts of “proto-Earth,” the early version of our planet, still survive inside ...