Here, deep into the Arctic Circle and midway between Norway and the north pole, he is investigating the health of the ...

Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be officially declared dead as a result of human-caused climate change.

This image shows a tundra covered, ancient, stable landscape on the North Slope of Alaska where the discussed sample was collected. This image relates to a paper that appeared in 17 April ...