"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

A study on the Earth's formation titled "Stochastic accretion of the Earth" has been published in the journal Nature Astronomy. Researchers from ETH Zurich have used a new modeling approach to ...

There are several theories about how the Earth and the Moon were formed, most involving a giant impact. They vary from a model where the impacting object strikes the newly formed Earth a glancing blow ...

Satellite image of Earth displayed the North American continent (top) and the South American continent (bottom). (Pixabay via Courthouse News) (CN) — Like making a cake, dry materials came before ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

When you buy through links on our articles, Future and its syndication partners may earn a commission. New model suggests an ocean of magma formed within the first few hundred million years of Earth's ...

It’s one of the most enduring ideas about the formation of our solar system: Earth collided with a Mars-sized object, Theia, and the debris from this cosmic crash eventually became the moon. But a new ...

A protoplanet crashed into Earth more than four billion years ago, ejecting the Moon. It is now clear where the protoplanet came from.

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The formation of a sixth ocean, and the tectonic shifts that lie ahead, are proof that Earth is a dynamic, ever-evolving ...

A peculiar property of the Earth's magnetic field could help us to work out how our planet was created 4.5 billion years ago, according to a new scientific assessment. There are several theories about ...