A plantation worker photographed this new genus of mammal in New Guinea, thought to have been dead for 6,000 years.

Mammals are not especially diverse. Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people ...

Scientists discovered some of the oldest bony fish fossils in China. The fossils explain the early history of animals with backbones.

As of 2026, more than 8,500 invasive species are established in the U.S., including plants, insects, reptiles, amphibians, ...

A new study reveals that habitat fragmentation can lead to sudden "tipping points" where a species' genetic health ...

In paleontology, lineages that drop out of the fossil record and then re-emerge after long periods are termed ‘Lazarus taxa.’ ...

Scientists announced on March 5, 2026, that they have identified an entirely new genus of mammal called Tous, a group of ...

In the vast golden grasslands of sub-Saharan Africa, the secretary bird makes an unforgettable sight — long-legged, crested, ...

Many mammals have fur the color of brown and black. Why don't they have more exotic colors, like purple and neon pink?

Staff members are setting mosquito traps throughout the Las Vegas Valley as part of the Health District’s Mosquito Disease ...

February, biologists have been struggling to control an outbreak of avian flu in a colony of more than 1,300 elephant seals ...

Scientists may have been dramatically undercounting the number of vertebrate species on Earth. A large analysis of more than 300 studies suggests that for every recognized species of fish, bird, ...