Think you can spot the difference? Discover 14 famous pairs of look-alike animals that are completely separate biological ...

The notion of species may underpin almost every aspect of biology, yet scientists can't agree on a single definition. Time ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

Both animals share the name "panda," and both are known for being incredibly cute, but giant pandas and red pandas are very ...

At first glance, a lizard and a salamander can appear surprisingly alike. Both usually have long bodies, four limbs, and ...

In our modern era of larger, more destructive, and longer-lasting fires -- called the Pyrocene -- plants and animals are evolving quickly to survive. By synthesizing the wide body of research about ...

A new study investigates how different mammals react to climate change. Animals that live for a long time and/or produce less offspring -- like bears and bison -- are more resilient than small animals ...