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

Moon has been Earth’s celestial companion for over four billion years. However, the formation of this natural satellite was catastrophic. It was long believed that the Moon was born from a cataclysmic ...

A new scientific study is rewriting one of the most recognized origin stories in astronomy: how the Moon was formed may not ...

The sun might have had an incredibly violent youth in which tremendous X-ray flares battered Earth into being, a new star survey suggests. In examining 30 very young sunlike stars, astronomers found ...

Plumes of hot magma from the volcanic hotspot that formed Réunion Island in the Indian Ocean rise from an unusually primitive source deep beneath the Earth's surface. The mantle differentiation event ...

For the last 20 years, the best models of planet formation — or how planets grow from dust in a gas disk — have contradicted the very existence of Earth. These models assumed locally constant ...