The entrance to the Penal Colony No. 3, known as IK3, where Russian opposition leader Aleksei Navalny died two weeks ago, in Kharp, Russia.
Aleksei A. Navalny, seen on a monitor via video link from prison during a hearing in 2022.
A gentoo penguin at the Maldonado base on Greenwich Island, Antarctica, this month.
A polar bear in Kaktovik, Alaska in 2016.
The Russian opposition leader Aleksei A. Navalny, who disappeared on Dec. 5, confirmed in his letter that he had been transferred to a penal colony in the Arctic.
Cecilia Blomdahl and her dog, Grim, live on the archipelago of Svalbard, near the North Pole.
In July, officials in Finnmark, Norway, collected birds that had died of avian flu.
Ice in eastern Greenland: The continent’s ice sheet has lost mass every year since 1998.
A23a is a whole lot of ice. And it’s moving.
Burying the remains of Soviet soldiers at the mass funeral in Smolensk. Volunteers were able to identify only four of the dead.
Members of the U.S. Antarctic Program said that sexual assault, sexual harassment and stalking were problems in the program, a 2022 National Science Foundation report found.
A satellite image of icebergs created when an Antarctic ice shelf collapsed.
A photo released by Russian state media shows President Vladimir V. Putin speaking at the Valdai Discussion Club forum in the Black Sea resort town of Sochi on Thursday.