Light pollution negatively affects thousands of species: beetles, moths, wasps, and other insects. Here's how to minimize the harm from your bulbs.

The mating calls túngara frogs make have an unfortunate side effect: attracting one of their main predators.

When combined with DNA identification, dogs trained to sniff out the scat of endangered lizards could offer a new noninvasive way to protect them.

"If you don't know where a hippo goes, how in the world can you design a thoughtful management plan?"

There's still an opportunity to protect vast, relatively wild spaces for the benefit of people and other living species, research finds.

After a near miss with extinction, a population of South Atlantic humpback whales is on the rise.

To steer clear of predators like orcas, right whales tone down their vocalizations, which "can be thought of almost like a human whisper."

New research finds that reef fish populations depend on two things: good hiding spots and a resident predator.

As thousands of fires still rage in the Amazon, experts explain what started the fires, what could stop them, and why the Amazon matters so much.

Big changes are coming for the Endangered Species Act. A biologist and a legal expert explain the changes and their implications.