Galápagos plants show repeated evolution and emerging species, emphasizing evolution’s flexibility and active role today.

The cellular biology of reproduction is often depicted as an epic journey, in which millions of intrepid sperm fight to be the first to claim the ultimate prize: the chance to fertilize the egg, which ...

For millions of years, the common wall lizard kept a fragile evolutionary balance with vibrant orange, yellow, and ...

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 ...