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

New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...

The lack of clarity regarding the collision and the object that Earth collided with raised many questions, but they were ...

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

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

One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...

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

Theia' is a long-vanished world, a planet-sized body thought to have smashed into the early Earth and that helped to form the ...

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

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 ...