Sloth size and habitat shifted multiple times over the past 35 million years, but human hunting likely drove the slower, ...

A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth.

"Dire wolves" created by Colossal Biosciences were pegged as "the first animals in history to be brought back from extinction ...

Fossils discovered beneath the Madura Strait in Indonesia reveal a previously unknown population of Homo erectus inhabiting ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big.

For each of these 60 species, the next severe tropical cyclone may be their last. A better understanding of the distribution and status of these species is only the beginning. Conservationists need to ...

Colossal uses gene editing to bring dire wolves back from extinction, marking a breakthrough in de-extinction science with the birth of Romulus and Remus.

The Cincinnati Zoo has welcomed its first new Guam Kingfisher, or Sihek, chick of 2025. This chick will be part of a long ...

While many people are fascinated by nonhuman animals, most do not have the time, money, or opportunity to travel to remote ...

Denisova Cave in Siberia’s Altai Mountains is the only spot on the planet that’s known to have been lived in by Denisovans, ...

Researchers found capuchins on Jicarón Island abducting baby howlers, raising questions about primate behavior and cultural ...