Scientists did not arrive at Earth’s age from one clue. Several very different measurements keep pointing toward the same ...

Earth and Mars may have formed through different mixtures of planetary building processes, despite developing side by side.

Planetary scientists led by Paolo Sossi have determined that Earth assembled almost entirely from material originating in the inner solar system, with outer solar system contributions limited to just ...

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 ...

Billions of years ago, in the giant disk of dust, gas, and rocky material that orbited our young sun, larger and larger bodies coalesced to eventually give rise to the planets, moons, and asteroids we ...

Researchers at the Globe Institute, University of Copenhagen, investigated the formation of Earth and Mars. Their study revealed that Earth and Mars developed using different mechanisms despite ...

Tectonic map of the Earth. The first continental crust on Earth formed more than 3 billion years ago. Likely the first fragments formed by partial melting and re-crystallization of the primordial ...

Protoplanets and planetesimals are both planetary building blocks, but they differ in size. Planetesimals are solid, ...

The 6,000-year claim faces evidence from several places that have little to do with one another. What those independent ...

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 ...

There are several theories about how Earth and its moon were formed, most involving a giant impact. Now scientists at the University of Leeds and the University of Chicago have analyzed the dynamics ...