New insights into a pair of colossal, continent-sized structures 1,800 miles beneath the Earth’s surface have revealed clues ...

Discover the top 7 oldest rocks in the world, their ages, locations, and scientific importance. Learn how these ancient ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

New research reveals that Theia, the colossal, Mars-sized impactor that collided with the Earth to birth our Moon, may have ...

A new study reveals surprising clues about the beginnings of subduction on Earth. The Hadean Eon, which lasted from 4.6 to ...

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

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

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

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

Jupiter’s early growth carved rings in the solar system, delayed meteorite formation, and kept planets like Earth in stable ...

This meant that both celestial bodies were neighbors before the collision took place. To support this hypothesis, researchers ...