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

"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 ...

Earth is believed to have formed partly from carbonaceous meteorites, which are thought to come from outer main-belt asteroids. Telescopic observations of outer main-belt asteroids suggest that they ...

Around 4.6 billion years ago, a young, hot star was born. The Sun formed from a cloud of gas and dust, and over time planetary bodies, including Earth and Mars, came to be. It’s unlikely that ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A rare form of helium may have flooded Earth’s core during the ...

Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, a new study reports. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside a ...

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 ...

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

The traditional Giant Impact Hypothesis, which posits the Moon's gradual formation from debris following the Earth-Theia collision, faces challenges in fully explaining the close isotopic similarities ...