Animals

A new study suggests that primate facial expressions may not just be reflexive

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising similarities to humans

These birds’ drilling approach is more like extreme tennis playing than weight lifting

A humungous shark that lived 115 million years ago surpassed the size of modern-day great whites, paleontologists discovered

Dynamic mounds made of methane at a depth of some 3,640 meters act like “frozen reefs” for a bizarre array of deep-sea creatures, new observations reveal

From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos from the ocean’s depths

As endangered southern resident killer whales fight for survival, federal funding cuts threaten the scientists working to save them.

A wind farm off the coast of China appeared to boost fish numbers and supported colonies of oysters and barnacles, according to new research

Researchers uncover 20 new underwater calls from Hawaii’s endangered monk seals.

The sex of many turtles, crocodilians, and other reptiles is determined by the temperature at which their eggs incubate. Global warming could doom them

Inside the desperate rush to save the southern resident killer whales

The sharp, elongated bills of green hermit hummingbirds aren’t just fine-tuned for feeding; they also allow males to joust like knights over mates