At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

Evolution is a continuous, powerful force shaping the natural world around us. As environmental pressures intensify, future animal evolution is likely to produce fascinating and sometimes bizarre new ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. The rich fossil ...

Life depends on genes being switched on and off at exactly the right time. Even the simplest living organisms do this, but usually over short distances across the DNA sequence, with the on/off switch ...

"This book was originally published as an issue of Philosophical transactions of the Royal Society B; Biological sciences (volume 363; number 1496) but has been materially changed and updated"--Title ...

Scientists have identified Ikaria wariootia, a tiny, wormlike creature that lived over 555 million years ago, as the earliest known bilaterian — an animal with a front, back, and symmetrical sides.

Researchers from the Canadian Museum of Nature (CMN) have identified a new species of rhino that once roamed Canada’s High Arctic 23 million years ago. The extinct rhinoceros, described in the journal ...

One of the biggest quests in biology is understanding how every cell in an animal’s body carries an identical genome yet still gives rise to a kaleidoscope of different cell types and tissues. A ...

Emma Hammarlund receives funding from the European Research Council Horizon 2020. Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being ...