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

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 ...

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 is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

Jupiter, the largest planet in the solar system, may have been responsible for a mysterious age gap in the early solar system's planet building blocks. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya ...

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

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant origin Jack Tamisiea A view of the outside of the OSIRIS-REx sample ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA, suggesting these ...