Southern right whales are having fewer calves as sea ice shrinks. Scientists say this species may now be a warning sign of climate change.

Learn all humpback whales, giant sirens of the sea - from where they live to what they eat, and why they don't have teeth ...

Killer whales, including calves and juveniles, travel in their family group in the Gulf of Alaska in June 2025. It’s well documented by now that the marine heatwave that hit the Pacific Ocean in 2014 ...

Most people are lucky to simply get a glimpse of some fragment of a whale. A subtle puff of mist over the horizon, the curve of a dark smooth back sliding beneath the surface, or for the fortunate, ...

Its appetite hinges on nutrient-rich krill swarms, so climate shifts that shrink krill threaten energy reserves and migration. Read on to discover the 12-inch-thick throat muscles and a 90-second gulp ...