A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
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.
A newly discovered doughnut shape in Earth's outer core may reveal elements that help drive the formation of the planet's ...
A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...
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.