The Arctic could be free of sea ice roughly a decade earlier than projected, scientists warn – another clear sign the climate crisis is happening faster than expected as the world continues to ...

Arctic temperatures spiked 36 degrees Fahrenheit, or 20 Celsius, above normal. By the end of the month, sea ice was at its lowest level ever recorded for February.

Arctic Passages: Ice, Exploration and the Battle for Power at the Top of the World. By Kieran Mulvaney. Island Press; 240 pages; $30 and £24 Ends of the Earth: Journeys to the Polar Regions in ...

The Arctic could see summer days with practically no sea ice as early as the next couple of years, according to a new study out of CU Boulder. The findings, published March 5 in the journal Nature ...

A combat air patrol of American and Canadian fighter jets was scrambled this week after multiple Russian warplanes were spotted in the Arctic, the North American Aerospace Defense Command said ...