Their mammary glands are markedly different from those of eutherian mammals such as cows and humans that have nipples; ...

We now know that many mammals can breathe through their anuses, that there isn’t an equal probability that a coin will land on head or tails, that some real plants somehow imitate the shapes of ...

But there's more to this unexpected mutualistic relationship than that. These species of spider and frog have been found in the same area, and even share the same burrows. The frogs use the ...

Two incredibly rare fossils found on Scotland's Isle of Skye are rewriting our understanding of how mammals evolved. While modern small mammals live as little as a year, one of the first to roam ...

The northern hairy-nosed wombat, one of Australia's most endangered mammals, is only found in three locations: Epping Forest National Park, Powrunna State Forest and Richard Underwood Nature ...

Sep. 16, 2024 — Scientists have discovered a new species of fish, the 'grumpy dwarfgoby'. Found among coral reefs in the Red Sea, it has large canines and a fierce expression, even though it is ...

So many places on Earth still remain a mystery to us, even after all this time — but researchers are often discovering new species. Better access to genetic testing, as well as technological ...

Mammals are unique in their development. Most mammals are eutherian, which means they have a reproductive system similar to ...

Number of Fish Species at Risk of Extinction Fivefold Higher Than Previous Estimates, According to a New Prediction Aug. 29, 2024 — Researchers predict that 12.7% of marine teleost fish species ...

A species is a distinct group of organisms and the most basic unit used to measure life on Earth. However, there’s no single definition of a species, meaning this vital concept in biology can be ...

A species is a group of living organisms that are all broadly similar and can, at least in principle, breed with one another. This seems straightforward enough, but the word “species” is ...