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

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

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, ...

Animals are noisy. And their noises can travel a long way. But making sounds can be a double-edged sword: it can help them communicate, sometimes over long distances, but it can also reveal them to ...