New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters ...

New research shows that Theia, the planet that collided with Earth and formed the Moon, was a rocky world born closer to the ...

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

Where did the planet the size of Mars that crashed into Earth billions of years ago come from? Theia has captured the ...

Scientists have proposed a shocking new theory for the origin of the moon, and their calculations suggest Earth once had a ...

Theia impact, with the Sun in the background, illustrating the idea that Theia originated close to the Sun. Image ...

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

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