New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.

The loudest animals on earth dominate soundscapes with astonishing decibels. From the world's loudest animal, the blue whale, to the powerful clicks of the sperm whale, discover how these creatures ...

We present a methodology to derive sea ice type classification maps in the Atlantic sector of the Arctic Ocean for the autumn through spring seasons, from 1991 to present. We use datasets from four ...