The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

Not unlike the rest of the Earth, this summer was the hottest ever recorded in the Arctic, where scientists say human-caused climate change is heating things up faster than anywhere else in the world.

As Earth warms, the Arctic Ocean’s ability to absorb carbon dioxide from the atmosphere is waning due to melting permafrost and worsening coastal erosion, according to new research. A study published ...