Long ago, our solar system lost a planet. The planet, which scientists have since named Theia, found itself barreling uncontrollably toward a young Earth. The resulting impact destroyed Theia ...

Soon after the Earth coalesced in the early solar system, it was hit by another ... suggesting that instead of bouncing off each other like pool balls, Theia and Earth got mixed together like ...

A new study suggests that portions of the moon-forming impactor Theia survived throughout Earth's history deep in our planet's mantle. Some 4.5 billion years ago, the solar system was a giant game ...

Recently, scientists have made an exciting discovery: 11 Earth-like planets located just outside our solar system ... years ago a Mars-sized body named Theia collided with the early Earth.

No leftover fragments from the planet have been found in the solar system. And many scientists assumed any debris Theia left behind on Earth was blended in the fiery cauldron of our planet’s ...

A big piece of early Earth ... named Theia slammed into Earth, scattering debris that congealed into the moon. Models suggested that the collision totally melted our planet, creating a ball ...

According to him, the Theia impactor could ... they propagate through the Earth to learn about its composition and structure, but it's not the same as taking an X-ray. Some researchers have ...

Along the way, they worked out that the Earth-Theia impact must've occurred around 4.47 billion years ago, or about 95 million years after the Solar System came into existence. [Research paper ...

The prevailing theory of the moon’s formation is called the giant impact hypothesis, in which a Mars-sized object called Theia slammed into Earth and was blown to bits, creating the moon from ...

Scientists believe the moon formed from a cloud of debris launched into space after the young earth collided with a Mars-sized body called Theia. But until now, they hadn't found evidence of Theia ...