A new study shows that the mere presence of poop prompted the crustaceans to launch into evasive maneuvers. New research ...

A mysterious whale that has puzzled scientists for decades may not be an anomaly, but a clue to what climate change is doing ...

Blue whales — the planet’s largest animal — subsist on tiny crustaceans called krill. As populations of this food source recovered from the marine heat wave, detections of blue whale singing ...

To sustain their huge bodies, blue whales, which are the largest creatures on Earth, feed on huge amounts of krill. A hundred ...

Krill and shrimp may have vaguely similar body shapes, but they're separated by a world of differences in terms of anatomy ...

Once four-legged land animals, whales evolved from ancestors Pakicetus, which lived along ancient Pakistani shores ...

leading to more singing across all three whale species. However, when krill numbers declined again, blue whales, which feed exclusively on krill, sang less. At the same time, fish population ...

krill and small fish — out of the water. Examples of baleen whales include blue whales, fin whales and humpback whales. Toothed whales usually eat larger prey, which can include fish ...

A new first-of-its kind study found the marine mammals vocalized less after a marine heat wave decimated their prey, making whale songs a barometer of the effects of climate change on ocean ...