Battling treacherous conditions, celebrated rock climbers help a scientist traverse a remote Greenland ice cap, gathering crucial climate data along the way. Alex Honnold leads a pitch during the ...

In a new analysis released on Wednesday, scientists said climate change boosted Iceland and Greenland’s temperatures by several degrees during a record-setting May heat wave. That’s raising concerns ...

In the gray chill of the North Atlantic, it’s not uncommon to see icebergs float by. But this one was not like the rest. A ...