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

Two mysterious blobs deep inside Earth may hold clues about the origin of life on our planet, new research finds. Deep beneath Earth's crust, in the mantle, lie two continent-sized blobs. These ...

Add Yahoo as a preferred source to see more of our stories on Google. The OSIRIS-REx spacecraft spent two years observing the asteroid Bennu before it collected a ...

A major impact can eradicate entire ecosystems. It can melt rocks, send debris around the planet, and create a dent in the ...

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

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...

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

Earth Day is celebrated across the country, and the globe, through the mobilization for environmental causes. While it may ...

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth. The OSIRIS-REx ...