A new AI-powered tool allows biologists to track primates in their natural environments with incredible accuracy.

A new study regarding parasites living inside fish illustrates the widespread presence of organisms in major ecosystems.

A look at the perentie, Australia's largest monitor lizard, and the thermoregulation, habitat use, and predator pressures ...

A baby kangaroo is born tiny and hairless. Learn how the newborn survives by crawling into the pouch and continuing to grow ...

Learn how chronic wasting disease spreads, why infected “zombie deer” act strangely, and whether humans are at risk.

Gray squirrels bury thousands of acorns every autumn, accidentally making them one of America's most powerful reforesters. See how scatter-hoarding works →; Squirrel ...

We introduce you to the incredible exploding ant that lays down their life for the benefit of the colony in a spectacular way ...

According to the locals, Louis has a “paws-port.” It has yet to be produced, but this bold cat lives by the honor system.

California is home to a surprising number of non-native reptiles that have established populations far outside their natural ...

Once considered local legends, camera traps recently captured "Cinco," Arizona’s fifth jaguar sighting since 2011.

In the muddy depths of a Florida enclosure, a massive American alligator (Alligator mississippiensis) named Split Jaw ...

Yosemite celebrates 10,000 California red-legged frog releases after a decade of bullfrog removal and habitat restoration.