A giant brown bear creates a cute and memorable moment as a expert wildlife handler interacts with the giant animal during ...

Paleontologist Mario Urbina poses for a photo next to the vertebrae of a newly found species named Perucetus colossus, or “the colossal whale from Peru”, during a presentation in Lima, Peru, Wednesday ...

Our understanding of animal behavior depends on observation. Researchers can study how animals are born, grow and develop. We can gather evidence of how they interact with each other and their ...

A 23-million-year fossil record shows Africa's giant mammals slowly vanished over time because evolution stopped replacing them.

Among the many powerful animals on Earth, one species stands out for combining immense strength with calm and compassionate behaviour. Despite its massive size and physical power, this animal is known ...

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants. Illustration by Diego Barletta The largest sloth of all time was the ...

Additional photos are available at the bottom of this page and in the Zoo’s newsroom. Download b-roll from Dropbox. Watch: Smithsonian Secretary Lonnie G. Bunch III and NZCBI Director Brandie Smith ...

The large mammals are also called megafauna—and are defined as animals weighing more than 44 kg when fully grown. Humans are, therefore, also considered megafauna. In the study, however, the ...

Good news for giant pandas (and the people who love them): the International Union for Conservation of Nature (IUCN) no longer considers them to be an endangered species, LiveScience reports. On ...

The DNA of the "elusive" giant squid has been detected in deep underwater canyons off the coast of Western Australia, marking the first detection in decades, according to a newly published study.