One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...

"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 ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

An artist's impression of the collision between the early Earth and Theia, which may have formed the moon MPS / Mark A. Garlick Around 4.5 billion years ago, a planet called Theia is thought to have ...

The formation of a sixth ocean, and the tectonic shifts that lie ahead, are proof that Earth is a dynamic, ever-evolving planet. Although these events occurred over millions of years, they remind us ...

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 team of researchers, led by a University of Hawai‘i (UH) at Mānoa planetary scientist, discovered that high energy electrons in Earth’s plasma sheet are contributing to weathering processes on the ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

(Nanowerk News) A team of researchers, led by a University of Hawai‘i (UH) at Mānoa planetary scientist, discovered that high energy electrons in Earth’s plasma sheet are contributing to weathering ...

How much of Earth's compositional variation dates to processes that occurred during planet formation remains an unanswered question. High-precision tungsten isotopic data from rocks from two large ...