Movement defines life across the animal kingdom. From a fish cutting through water to a bird taking flight, muscles power every action. For decades, scientists believed the machinery behind those ...

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 ...

Animals from completely different branches of the tree of life, such as insects, worms and vertebrates, independently evolved similar genetic solutions to survive on land, according to a new study ...