Last week, scientists broke through to an environment untouched for millions of years that could transform our understanding of life as we know it.
A polar bear marooned on land from lack of sea ice climbs precariously to hunt for seabird eggs.
With House and Senate votes on the Keystone XL oil pipeline looming, 15 top climate scientists wrote to Congress.
Thousands of fish struggle for room at the Divor Dam in Arraiolos, Portugal, where water levels are dangerously low.
Just in time for Valentine's Day, a new campaign seeks to show climate scientists a little love.
A chilling representation of the unusually cold weather in Europe.
A marvelous image of London's lights at night as seen from space. And we thought Paris was the City of Light.
A London public art installation shows how rising sea levels may transform the city in the year 3012.