An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...
A new study co-led by the University of Arizona and the Smithsonian offers the most detailed glimpse yet into how Earth's ...
At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...
See how our seasons come from Earth's tilt and yearly loop around the sun, which changes the ice cover, vegetation, and ...
A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.