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.

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.

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  …

A case scheduled to be argued in front of the nation's highest court could change the course of climate change policy.

For years, organized labor has worked hard to raise the minimum wage, while business groups have campaigned to block such a change.