In Ecuador, Satanas the tarantula—named for his feisty attitude—became both teacher and friend to researchers.

Around the Caribbean island nation, local cetaceans have some unique traits, including doubling down on defecation.

Scientists don bike helmets and dodge bird poop to care for a colony of endangered common terns.

The young male known as M161 kitty-paddled his way through chilly waters full of orcas, raising questions about the animals' potential range.

For some species, mating season means detachable penises, urine-based perfumes, and ear-splitting declarations of love.

Across the archipelago, scientists and citizens are uniting against the tiny terrors, deploying an arsenal of creative weapons.

From tracking rare spirit bears to responding to disasters, First Nations coastal guardians are on watch.

Scientists observing a pod in the wild think the animals may choose specific species for a skin care wellness routine.

An innovative collaboration between two British Columbia First Nations protects the most vulnerable animals.

Evelene Spencer was the force behind the wartime campaign that encouraged the country to love fish.

The 2018 Carr Fire destroyed historic fruit trees—but not the will to make them bloom again.

Scientists' creative approach to collecting spotted skunks led to a new family tree for the handstanding li'l stinkers.

An endangered species is thriving at a once-blighted lot, but climate change and other challenges threaten its future.

The curly-horned antelope is hanging in there—sometimes from a helicopter.

The wildly uncharismatic buffy-tufted-ear marmoset needs a boost.

Researchers determined that the pachyderms fare just fine when they sail suspended from a helicopter.

In a Wisconsin basement, two Labradors learned to detect tiny aquatic hitchhikers.

The Eastern hellbender looks like a long, slimy potato and is sometimes called a snot otter.