Some mammals evolved to eat only ants and termites. It happened at least twelve times. These animals developed special ...

Mammals have developed some unusual eating habits over the past 100 million years, but a new study has uncovered the ...

A first-of-its-kind study traces the rise of ant- and termite-eaters, revealing how mammals returned to the evolutionary ...

By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth’s most awe-inspiring classes of animal.

Imagine tracing your family tree not just to distant ancestors, but to creatures that once swam in primordial seas and hopped along muddy riverbanks. The connection is more than poetic—it’s written in ...

We often measure intelligence as a sign of evolutionary success, but some of the "dumbest" animals on Earth have managed to survive just fine. From pandas refusing to reproduce to ostriches ...

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Discover how a recent fossil study sheds light on the evolution of the ventral nerve cord in ecdysozoan animals and its implications for understanding animal nervous systems.

Environment Animals We are family: Tracing the evolution of animals To understand the origins of multicelled life, researchers are studying a motley assortment of simpler animal relatives.

For long stretches of evolutionary time, natural selection has favored a tight link between ambient temperature and the start of the breeding season for many animals, including birds. Hormones ...

By sequencing an enormous amount of data, a group of hundreds of researchers has gained new insights into how flowers evolved on Earth.