Learn more about the difference between bioluminescence and photoluminescence, and about the particular chemical compounds ...

Australia and South America were isolated from other continents during much of the Tertiary, and marsupial mammals thrived and diversified there, while placental mammals took over similar roles on ...

The researchers studied fossilized limb bone fragments from placental and marsupial mammals found in western North America. This area is one of the very few locations that is known to have ...

These miniature marsupials historically prefer forests and desert-like ... The woylie is said to be able to reach more than twice the speed normally estimated for a mammal of the same size. Their ...

It turns out that a shocking number of mammals can glow in the dark. Shine a blacklight on a mob of Australian animals and ...

They discovered that the pivotal heat-producing protein called UCP1 became active after the divergence of placental and marsupial mammals. This finding is crucial for understanding the role of ...

Eastern quolls primarily eat insects, small mammals, birds, and reptiles. 32,963 people played the daily Crossword recently. Can you solve it faster than others?32,963 people played the daily ...

Giraffes, lemurs, narwhals and humans are all placental mammals, gestating fetuses internally. Marsupials, such as kangaroos, give birth to underdeveloped offspring that in many species climb into ...

Nipples, which concentrate milk ducts, probably emerged with the branch of mammals we know as marsupials—a group that includes kangaroos, koalas, and opossums. "The advantage of nipples is that ...