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

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

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

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

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

Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, ...

Earth’s journey through the Milky Way might have helped create the planet’s first continents. Comets may have bombarded Earth every time the early solar system traveled through our galaxy’s spiral ...

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

Scientists explain how simple chemicals, deep sea vents, and meteor impacts may have helped life begin on Earth.