A new study co-led by the University of Arizona and the Smithsonian offers the most detailed glimpse yet into how Earth's ...

The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.

Earth and Saturn might be a lot more similar than previously thought. In a new study, a team of researchers suggests that 466 ...

I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s ...

An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...