The following is the July 2, 2025, Congressional Research Service report, Changes in the Arctic: Background and Issues for ...

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

Researchers have measured toxins in scat samples from 205 bowhead whales from the Beaufort Sea, collected over 19 years, and ...

Summer sea ice in the Arctic Ocean might be gone by the 2030s, no matter what we do to curb emissions of greenhouse gases, ... What does this mean for the people and animals who live in the Arctic?

Sea ice algae is an essential resource for the survival of many species living in the Arctic. Traces of ice algae have been found in many animal groups from tiny filter-feeding shrimp to large ...

Learn about the effects of a changing climate on the Arctic ecosystem and four of its well-known mammals: the polar bear, the walrus, the Arctic fox and the beluga whale. The term “climate ...

Hidden Planet Arctic animals are battling more diseases in recent decades. Here’s why. Stories have surfaced of animals such as polar bears fighting off new diseases, and sometimes losing that ...

The Arctic Ocean could see "ice-free" days within a matter of years—potentially a decade earlier than was previously predicted. ... These animals depend on sea ice for their survival.

Ancient DNA evidence shows that the advent of agriculture led to more infectious disease among humans, with pathogens from ...

The first ice-free days of the Arctic Ocean could occur as soon as the 2020s or 2030s — as many as 10 years earlier than previous projections.

By midcentury — 2035 to 2067 — the Arctic could see consistent ice-free conditions in September, the month when sea ice concentrations are typically at their minimum, the study found.