Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

A newly identified tectonic "regime" may rewrite our understanding of how rocky worlds evolve, scientists report in a new ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Chinese researchers have discovered that interstitial carbon in iron-carbon alloys behaves in a superionic, liquid-like state under Earth’s core pressure and temperature conditions. Beneath Earth’s ...

Scientists found rocks deep inside Earth's mantle that generate hydrogen and could reveal clues about deep energy and the ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...

A radical new theory begins with a central claim: consciousness is the fundamental field of reality; time, space, and matter ...

Earth's atmosphere might have contributed to the origin of life more than previously thought. In a study published in the ...