Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

Animals may behave similarly in cities because they learn from each other how to exploit novel human food sources. For instance, the cockatoos in Sydney have learned to open trash bins. In Toronto, ...

When it comes to a boa vs python, how can you tell these two snakes a part? Read here to learn about some of their differences!

A pair of the birds appear to be caring for the region's first wild condor egg in over 100 years, the San Francisco Chronicle ...

Why does North Carolina have so many bears, where and when are you most likely to see one, and what should you do if you do?

This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

For the first time, paleontologists have discovered a 250-million-year-old fossil egg containing an embryo ...

Life in nature is not just about survival. Organisms often help their relatives reproduce. This is explained by inclusive fitness theory. It suggests helping kin passes on genes. This behavior is seen ...

The first well-observed "civil war" in wild chimpanzees reveals that shifting social ties alone can fracture a group, ...

Insects make up to 90% of all animal species on the planet, and most of them can be found in the tropics, the regions around ...