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

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

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 ...

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

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, ...

A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, according to new research. The Ohio State University study's results ...

Geoscientists have long relied on different forms of lead to understand Earth's geological history and how it was created ...

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