Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

The chemical composition of meteorites and asteroids acts as a kind of fingerprint, providing information about the origin of ...

Earth likely formed from inner Solar System material alone, raising fresh questions about the origin of water on our planet.

For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

Mercury, Venus, Earth and Mars – may have formed from two rings around the young sun, rather than a single disc ...

Asteroid impacts may have helped kick-start life on Earth by creating hot, chemical-rich environments ideal for early biology. These impact-generated hydrothermal systems could have lasted thousands ...

Planetary scientists led by Paolo Sossi have determined that Earth assembled almost entirely from material originating in the ...

Meteor impacts may have helped spark life on Earth, creating hot, chemical-rich environments where the first living cells ...

A new analysis of meteorite isotopes challenges long-held ideas about Earth’s origins, suggesting our planet may have formed ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

They move through the Sun like slow, immense swells, far below anything telescopes can see. For years, those depths have ...

Earth's "gold kitchen" lies deep beneath the seafloor. Island arcs, whose volcanoes form above subduction zones where one ...