The U.S. Fish and Wildlife Service has removed 23 species from the endangered species list because they have most likely gone extinct.
Ancient cut marks on mammoth bones unearthed on a remote island in the frozen extremes of Siberia are the northernmost evidence of Paleolithic humans ever found, according to archaeologists.
If the species is placed on the endangered species list, developers and farmers could incur legal liability for killing them.
A whale that was found belly-up on a New York beach likely died of injuries caused by interactions with people.
Despite the remoteness of the island, the parasites are even better than their hosts at surviving — a feat researchers believe was accomplished through superior flying skills.
One of the Southern Resident orcas, a 47-year-old female known as L47, hasn't been seen by census takers since February.
Small-armed, two-legged dinosaurs may have wagged their tails to help them run, for the same reason humans swing their arms, according to a new study.
Conservationists have confirmed that 64 African penguins were killed in South Africa after being stung in and around the eyes by honeybees.
The short film "Life Beneath the Ice" features delicate, illuminated marine creatures living under the sea ice in Antarctica.
A farmer in Russia's Stavropol region found the waterlogged "king." Specimens of rat kings are preserved in the collections of some natural history museums.
Over 100,000 years ago, extinct relatives of modern elephants lived in matriarchal groups, according to preserved trackways in southwestern Spain.
An extraordinary 120-million-year-old fossil bird from China reveals that the animal had a sexy but vaguely impractical tail.
Hunters in the Faroe Islands ambushed and slaughtered a super-pod of more than 1,400 white-sided dolphins on Sunday (Sept. 12), leading to worldwide outcry.