Dangerously cold temperatures were descending into the U.S. as far south as Texas on Tuesday, breaking records in some areas.

Heat, drought and floods are growing security risks, Western defense officials say, feeding instability and violence that ...

Climate change indicators continue to set a worrying precedent, breaking records year-over-year, and leaving climate vul ...

Extreme weather events are becoming more frequent as a result of climate change. River floods such as those along the Ahr and ...

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and Washington.

Earth is crossing the threshold of 1.5°C of global warming, according to two major global studies which together suggest the ...

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

While the portrait that emerges from the unprecedented mapping exercise seems positive at first, on closer inspection it is ...

“The existence of winter doesn't disprove climate change,” says Stuart Evans, assistant professor of geography at the ...

What has the government ever done for you? Provided accurate, reliable weather information that saves lives ... at least, for now.

Could future maps give us a glimpse of what the world's population will look like in 2100? Experts are drawing up maps which ...

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...