For nearly two centuries, a small brown frog living in Southeast Asian rainforests was considered a single, well-understood ...

A new study investigates an ongoing epidemic in Bay Area peregrine falcons.

You’ve probably seen a headline or two about an invasive species taking over. Perhaps you’ve seen a sign warning of ...

“Living fossil” is often misused, but chitons really haven’t changed much in about 300 million years.

Scientists may have been dramatically undercounting the number of vertebrate species on Earth. A large analysis of more than 300 studies suggests that for every recognized species of fish, bird, ...

Scientists announced on March 5, 2026, that they have identified an entirely new genus of mammal called Tous, a group of ...

Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

Scientists are identifying more than 16,000 new species each year, and DNA tools could reveal billions more hiding.

Without interrupting their busy sleep schedule, Australia’s cute, if cantankerous, koalas have turned a truism of genetics on its head. In short, the proliferation of certain koala populations shows ...

A new paper provides the first statistically derived estimate of bee species richness around the world. But this is about ...

When a new species is discovered, it's tempting to imagine an adventure novel, said Chan Kin Onn of Michigan State University. "Most people have this image of an intrepid explorer braving an isolated ...

A fire ant nest has been spotted at one of Australia’s most iconic World Heritage rainforests, sparking concerns about the ...