Ancient Global Warming Spurred Primates Into North America, Fossils Show

An ancient period of global warming spurred the world’s first primates to spread from Asia to North America, new research shows.

The animals may have taken as little as 20,000 years to disperse across the Northern Hemisphere from the moment they first appeared.

An ancient period of global warming spurred the world's first primates to spread from Asia to North America, new research shows. The animals may have taken as little as 20,000 years to disperse across the Northern Hemisphere from the moment they first appeared.

Antarctica Under Siege

Stunning beauty and the promise of oil and minerals are bringing more people to the once-pristine continent.

At the bottom of the world, more than two miles beneath the wind-blasted surface of Antarctica, sits a wonder of the last untouched continent.

Stunning beauty and the promise of oil and minerals are bringing more people to the once-pristine continent. At the bottom of the world, more than two miles beneath the wind-blasted surface of Antarctica, sits a wonder of the last untouched continent.

Climate Feedbacks

Guest writer Brian Soden of the Division of Meteorology and Physical Oceanography at the Rosenstiel School of Marine & Atmospheric Science at Miami University (yeah, that’s usually abbreviated) explains about what climate feedbacks are and how they are factored into what we  …

Guest writer Brian Soden of the Division of Meteorology and Physical Oceanography at the Rosenstiel School of Marine & Atmospheric Science at Miami University (yeah, that's usually abbreviated) explains about what climate feedbacks are and how they are factored into what we  …