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 ...

That visibility comes with scrutiny. Mammals are among the best-studied organisms on Earth - and among the most threatened.

Take a mama salmon, for example. It lays thousands of eggs at a time which the males fertilize thoroughly. The salmon packs each egg with more yolk compared to an urchin, that means more proteins, ...

In a dry riverbed in Brazil, in a dense forest near the Amazon, a team of paleontologists found a fossilized jawbone from an ...

DNA is revealing that many animals once thought to be a single species may actually be several hidden ones. But research on ...

One of nature’s most impressive engineers is taking center stage this month in Blacksmith Fork Canyon. The Utah Division of ...

Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

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

Every state has regulations, but few of these strange animal laws feel essential.Some exist to protect animal welfare, others to shield people, and some are so oddly specific you can’t help but wonder ...

Based only on jawbones, scientists have described a new salamander-like animal that would have been a “living fossil” for its ...

Based on these details, its closest evolutionary relatives, and its river habitat, the study’s authors believe Tanyka likely resembled a three-foot-long salamander sporting a lengthier snout. But at ...

Scientists found a jaw so bizarre they assumed it was broken - they were very wrong.