Our Moon was formed from a violent collision that occurred around 4.5 billion years ago. And the giant body that smashed into the Earth, birthing the planet’s natural satellite, was named Theia. A new ...

“Ingredients” of impactor: In the current issue of the journal Science, researchers determine the possible composition of Theia. Search for birthplace: The impactor’s composition allows conclusions ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what exactly ...

The moon has been Earth’s constant companion for approximately 4.5 billion years, escorting the planet during its myriad journeys around the sun. While its origins are a little hazy — it cannot be ...

The story of how the Moon came to be has always carried a touch of mystery. Picture the young Solar System as a restless place where new worlds grew from swirling gas, dust, and rock. In that chaotic ...

'Theia' is a long-vanished world, a planet-sized body thought to have smashed into the early Earth and that helped to form the moon. A new study has now analysed ancient lunar and terrestrial rocks to ...

Blobs of rock lurking deep inside the planet could be the last remaining pieces of Theia, an early world that collided with Earth billions of years ago, a new study claims. The moon is thought to have ...

About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what ...

Iran reportedly developing chemical, biological missile warheads as protests spread over collapsing economy An ancient portal ...