Inspired by the slow and steady sloth, SlothBot hangs on a wire between trees to monitor the environment below and enhance conservation efforts.

In the 1800s, Americans hunted many wild species near or into extinction. Then in the early 1900s, the US shifted from uncontrolled consumption of wildlife to conservation. Could Asia follow suit?

Frogs are harvested as food by the millions every year. A new study shows that uncontrolled frog hunting could drive some populations to extinction by midcentury.

Living near human settlements disrupts giraffe social networks, according to new research.

"What we do to deal with the current extinction crisis in the next two decades will define the fate of millions of species."

A study presents more evidence that the world is in the midst of a sixth mass extinction.

Observing gorillas interacting with each other shows that they have more dynamic social bonds with their neighbors than researchers once thought.

Observing gorillas interacting with each other shows that they have more dynamic social bonds with their neighbors than researchers once thought.

Biologists explain why private zoos like those in "Tiger King" are bad for big cats, what the series got wrong, and what's next for tiger conservation.

There are fewer African forest elephants than scientists believed, research shows. The lack of information about these elephants has hampered conservation.