Animals

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

Moths sometimes drink the tears of other animals, but the behavior has mostly been observed in the tropics. New photographs show only the second observation outside of that area

Tantalizing observations suggest marine mammals may be teaming up to hunt

Cross-species “defense pacts” help animals keep tabs on parasites and predators

Vaccine controversies, space pollution and puppy power.

The Convention on International Trade in Endangered Species of Wild Fauna and Flora on Friday updated its regulation and monitoring of several iconic shark and ray species

Your Monday news roundup in audio form, including the cutest raccoons, COP30 takeaways and more on a new study on fluoride and cognitive decline.

This lovable Star Wars droid is helping to shed light on why some bird species are better at mimicking sounds than others

RNA has been extracted from an ancient woolly mammoth, providing insight into its last moments on Earth