Across the United States, exotic animals are being exploited. Some organizations call themselves sanctuaries, but actually ...

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

Thirty babies in a lifetime might sound unbelievable, but in the animal world, that number can be modest. Reproduction follows a clear biological pattern.

A national movement called #ExecuteAWA believes the country has reached a tipping point and compassion alone is no longer ...

King penguins are adapting to climate change in a way that seems to help them breed successfully, which is unusual. Researchers tracked about 19,000 birds on a sub-Antarctic island chain and ...

In 1974, philosopher Thomas Nagel posed a deceptively simple question: “what is it like to be a bat?”. His point wasn’t really about bats. He was offering a provocative challenge about the limits of ...

We chose the best dog foods with guidance from veterinarians. Our top picks include dry, wet, and fresh food for adults, ...

Discover why tiny Amazon insects are so vulnerable to heat and what their decline could mean for forests, wildlife, and people.

With plenty of barks, treats and tail-wagging, the world's biggest and most famous dog show got underway Thursday in Britain, with a record number of overseas entries among those bidding ...

Some animals have reproductive strategies so extreme that they can lead directly to their own death. In certain species, intense mating competition or biological stress pushes the body beyond its ...