Bears look like textbook mammals, but hidden in their evolutionary history are two dramatic departures from the standard ...

On November 24, 1859, Charles Darwin published On the Origin of Species and transformed our understanding of life on Earth by ...

The study shows that it’s possible to model how competition for resources, symbiosis or predation shapes the evolution and survival of species. Erin Malsbury The Evolution of Terrestrial Ecosystems ...

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 ...

We often see the results of evolution, but not the process directly. Now, scientists have been treated to front row seats of evolution unfolding in real time, as two similar lizard species encounter ...

A new study co-authored by researchers at Indiana University sheds light on how the forces that shape mountain ranges also influence the evolution of species. In the study, "Direct effects of mountain ...

A study shows that a fruit fly species can adapt rapidly to an invader and this evolutionary change can affect how they deal with a stressful climate. Over a few months, the naturalized species ...

Monkeyflowers glow in a rich assortment of colors, from yellow to pink to deep red-orange. But about 5 million years ago, some of them lost their yellow. Botanists now explain what happened ...

On Valentine’s Day in 2018, a team of scientists walked across a flat expanse in the badlands of northeastern Ethiopia, scanning the ground for fossils. An eagle-eyed field assistant, Omar Abdulla, ...

Brown rats in New York City may be evolving smaller rows of teeth. Tiny fish across the Eastern US have adapted to thrive in polluted urban waters. Around the globe, living things are evolving ...