Evolution news, features and articles

Whether arms or legs are more important depends on the species and the environment.

Researchers now understand why there is an uneven distribution of animal species on either side of the mysterious boundary, known as the Wallace Line.

Something unique does seem to have taken place during this time when so many animal groups first appeared, but it's not an open-and-shut case.

The bulbous-eyed mudskipper could offer key clues about how our fishy ancestors first made the leap to land.

Leading theories suggest that the first energy used by life was either from the sun or from geothermal heat and chemistry at the bottom of the ocean.

Most biologists will answer confidently when asked "which came first, the chicken or the egg?" but the answer may depend on what type of egg you're talking about.

In regressive evolution, organisms lose complex features and can appear to evolve "in reverse." But evolution doesn't retrace its steps, experts said.

Scientists successfully grew Asgard archaea in the lab and took detailed images.

The tooth's owner was primarily a meat eater.

If the history of life could be rewound and replayed, many of the same innovations would reappear. What’s that mean for life on other planets?