Located between Russia, Kazakhstan, Turkmenistan, Iran and Azerbaijan, the Caspian Sea is the world’s largest landlocked body ...

Ukraine’s Black Sea operations against Russia are shaping U.S. Navy and NATO thinking on the future of drones, mines and ...

Two nuclear icebreakers are making way for a tanker and two cargo ships in this year's first transit shipment on the Russian ...

The sea-ice physicist at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), offers the following analysis of developments in recent months: “In February, temperatures ...

The winter growth period for sea ice in the Arctic Ocean is now over, with levels at a record low. The winter ice extent on 21 March 2025 was lower than at any time since continuous satellite ...

In the summer of 1937, the Soviet icebreaker Sedov was doing exploration work in the Kara Sea and making a hydrological survey of the Laptev Sea, two links of the Northeast Passage (see map).

The incoming cold air mass originates from the Laptev Sea north of Russia, traveling over 4,000 miles to reach the eastern ...

Figure 6. The top maps show Arctic sea ice age at the end of summer, a week before the seasonal minimum, for 1985 on the left and 2024 on the right. The bottom time series shows extent of multiyear ...

Maps of Global and Canadian Sub-populations of Polar Bears and Protected Areas. ... International subpopulations are as follows (clockwise, starting in the west near Alaska): Chukchi Sea (CS), Laptev ...