Arctic Passages. By Kieran Mulvaney. Island Press; 240 pages; $30 and £24. Ends of the Earth. By Neil Shubin. Dutton; 288 ...

A three-foot-long Antarctic gonate squid was spotted swimming 7,000 feet below the surface of the Southern Ocean ...

An expedition in the Southern Ocean captured video of a rare species of deep-sea cephalopod. Until now, it had been found only in fishing nets and in the bellies of seabirds.

This data set reports monthly, gridded winter sea ice thickness across the Arctic Ocean. Sea ice thickness is estimated using ATLAS/ICESat-2 L3A Sea Ice Freeboard (ATL10), Version 4 data and NASA ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...