A single severely dry winter temporarily, but dramatically, altered the ranges of three fishes — Chinook salmon, coho salmon, and steelhead trout — in California’s northern waterways.

As global temperatures warm, the Southern Ocean – between Antarctica and other continents – will eventually release heat absorbed from the atmosphere, leading to projected long-term increases in precipitation over East Asia and the Western U.S., regardless of climate mitigation efforts.

Nuclear power plants keep their waste close by.

Heavy rainfall in Queensland sent floodwaters sweeping across vast stretches of the Australian outback in late March 2025.

In 2025, summer sea ice in the Antarctic tied for the second-lowest minimum extent ever recorded in the 47-year satellite record, according to NASA and the National Snow and Ice Data Center (NSIDC).

A new study led by McGill University researchers indicates that humpback whales in the southeastern Pacific combine real-time environmental cues with their memories of conditions in their Antarctic feeding grounds to determine when to embark on their annual 10,000-kilometre journey.

Buzzing insects may be seen as pests – but globally, hundreds of fly species migrate over long distances, with major benefits for people and nature, new research shows.

A sea lion sickened by toxic algae attacked a teenage girl in Long Beach, California, on Sunday, the latest episode of erratic behavior from affected animals.

Climate change could pose a dual threat to native species by reducing their suitable habitats and increasing predation pressure from non-native species, a new study(Link is external) by Oregon State University researchers finds.

Spotted seals in some of the most remote marine areas around Alaska are consuming significant amounts of microplastics in their diets, according to a new University of Alaska Fairbanks–led study.