The Florida panther—one of the world's most endangered animals—is being shortchanged by established science, according to a team of experts.

Scientists say they've found the first evidence that great apes communicate vocally about objects around them—in this case, bread and apples. Includes audio.

A live dog on the Réunion island, near Africa, has been photographed with a large fishhook in his snout—evidence that canines are being used as shark bait.

Amateur fishers are using dogs and cats as shark bait on the island of Réunion, off Africa's east coast, according to animal-welfare organizations and local authorities.

An invasive rat on one of New Zealand's Noises Islands evaded capture for 18 weeks, suggesting conservationists need to develop alternative strategies for eradicating these harmful rodents.

A 90-million-year-old skeleton of a rooster-size feathered dinosaur suggests that flight might have evolved separately in reptiles and birds.

Researchers have discovered fossilized remains of two previously unknown, monkeylike species that lived 37 million years ago.

Japanese giant hornets pack a venomous sting so strong it can dissolve human tissue. Watch an attack by these killer insects on a hive of honeybees, and learn the surprising secret of the bees' defense.

Dragonflies fitted with tiny radio transmitters may aid scientists' efforts to track where the insects buzz off to on their southward migrations.

Australian zoos are eagerly anticipating the arrival of eight Asian elephants. But animal welfare groups say the zoos are more interested in attracting visitors than conservation.

Speckling on birds' eggs may be a unique solution to an engineering problem: how to strengthen fragile shells.

Researchers have found a jumping spider in East Africa that hunts mosquitoes filled with human blood, the first known spider with a taste for mammal blood.

Despite recent headline-grabbing attacks, the Australian government rejected a regional plan to allow croc safaris.

Researchers in Africa recently observed wild gorillas using sticks to navigate a swampy clearing, providing the first evidence of tool use among the great apes in the wild. See the proof for yourself.

Swimming from Africa to Australia and back, a great white shark completed the first documented round-trip ocean crossing by a shark—and in record time.