Emperor penguin colonies experienced unprecedented breeding failure in a region of Antarctica where there was total sea ice loss in 2022.

A relatively simple, inexpensive method of filtering urban stormwater runoff dramatically boosted survival of newly hatched coho salmon in an experimental study.

A remote part of the Indian Ocean is a hotspot for whales and dolphins, prompting researchers to call for a new protected area.

Birds native to the tropical Andes, many of which cannot be found anywhere else, are threatened by increasing agricultural development in the region.

When a sabertooth tiger called out, what noise did it make – a mighty roar or a throaty purr?

Platypuses seem to be settling in nicely to their new Royal National Park home, although there are concerns about pollution from a nearby colliery.

The summertime barbecue – an American tradition synonymous with celebrating freedom – may be tainted by a decidedly unfree market.

Almost twice as many gray whale calves swam north with their mothers to their Arctic feeding grounds this spring compared to last year, according to a new count completed by NOAA Fisheries’ Southwest Fisheries Science Center.

The historically high heat waves that gripped the southwest United States and southern Europe this summer are causing problems for more than just humans.

Gray whales that spend their summers feeding off the coast of Oregon are shorter than their counterparts who travel north to the Arctic for food, new research from Oregon State University’s Marine Mammal Institute shows.