The Southern Ocean is the second smallest ocean. The smallest and shallowest ocean is the Arctic Ocean. It surrounds the Arctic and the North Pole. The Arctic is the coldest of all the oceans.

A NASA-led satellite mission has suggested that swirls and eddies in the middle of the ocean have a bigger influence on Earth's climate system than scientists ...

Japan's space agency says the maximum extent of the Arctic Ocean's ice cover was the smallest in 2025 in over four decades, renewing the record eight years ago. Scientists at the Japan Aerospace ...