Known as the giant-impact hypothesis, this proposed event involves a collision between Earth and a hypothetical Mars-sized protoplanet astronomers call Theia.

From the primordial heat left behind by Earth’s formation to the continuous energy released by radioactive decay, discover ...

Discover how NASA's Webb Telescope reveals distant young solar systems colliding, turning Mars-sized worlds into dust and ...

A brief reviewWritten by David Baker, who earned a master's degree in history at the University of Calgary and the world's ...

In the previous episode #13, we looked at what happens when three spheres—planets, soap bubbles, and water droplets—collide. This time, we will look at planetary collisions, specifically the theory ...

Welcome to SolarBalls! Enjoy space animation filled with fun, entertaining visuals that help you learn about the solar system and the universe. This channel is perfect for fans of space animations and ...

Risingbd Desk: A "violent, head-on collision" created Earth as we know it, ground-breaking new research has revealed. A planetary embryo called Theia, thought to be around the size of Mars or Earth, ...

Earth’s unusually large Moon may not have assembled gradually from a vast ring of debris after all. Under the right conditions, much of it could have emerged as an intact body only hours after another ...

Earth's moon may have formed far faster than scientists once believed, with new simulations suggesting it came together in as little as five hours after a catastrophic collision. That unexpectedly ...