Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

Seeing more coyotes in Massachusetts? Here’s how to protect your dog.

Nobody has ever known where tiger sharks go to mate. But new data suggests there’s one Hawaiian spot that draws a big ...

Kakapos, which are reclusive and flightless and can live as long as humans, are found only in New Zealand. They feed on the fruit of the rimu tree.

The list by World Atlas of the most dangerous animals in New Jersey includes coyotes, bears, bobcats and some you might not ...

Drones flying above the waters of Shetland have captured rare footage of harbor porpoises gathering in unusually large groups and engaging in mating behavior. The footage, gathered between 2019 and ...

Sharks are often viewed as solitary, but a new study—carried out on the Shark Reef Marine Reserve in Fiji—has found that rather than mixing at random, bull sharks have "active social preferences" and ...

Explore how early humans tracked seasons using sun shadows, stars like the Pleiades, plant blooms, and animal behaviors before modern calendars.

Tadoba: Tigers and other animal stories ...