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 ...

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, ...

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

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 ...

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 ...