A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.

Over-allocation of water, chronic groundwater depletion, pollution and climate change have pushed the world into a drastic ...

A new surge of record-breaking Arctic air is sinking south over the eastern half of the United States Friday on its way to South Florida.

Vast swaths of southeastern Australia are sweltering in a heat wave that’s pushed temperatures to close to 50 degrees Celsius (122 degrees Fahrenheit) and forced some residents to protect their ...

The frigid temperatures, massive snow and deadly ice storm taking shape east of the Rockies might seem to conflict with life on a rapidly warming planet. But all of these things still happen, even ...

The dangerous and deadly cold is only going to get more brutal, with record-breaking temperatures as far south as Florida.

Small nuclear reactors are pitched as cheaper, safer, faster and easier to finance than their conventional counterparts. Hype around them is building fast, but some experts warn it ignores fundamental ...

With 250+ million Americans in the eye of this potentially historic winter storm, many are asking how these storms are even possible in the age of climate change. CNN News Central’s John Berman ...

NEW ORLEANS (CNN) — Stress balls were the swag item of choice at the National Center for Atmospheric Research’s booth Wednesday morning, during the world’s largest gathering of climate scientists.

NEW ORLEANS (CNN) — Stress balls were the swag item of choice at the National Center for Atmospheric Research’s booth Wednesday morning, during the world’s largest gathering of climate scientists.