University of California, RiversideMany experts didn’t think such tiny prehistoric fossils would ever be found. Fortunately, ...

This animation created for Evolution: "Great Transformations" depicts creatures whose fossils were found at the Burgess Shale. As alien as these creatures seem, they are also surprisingly familiar.

Evolution is the change in organisms over time that gives rise to new species. Development is the process by which a fertilized egg, or embryo, generates the cells, tissues, and organs of a new ...

The discovery of a billion-year-old fossil in Scotland offers exciting new insight into animal evolution, BC researcher says Loch Torridon in Scotland, where the microfossil was discovered. Photo: ...

Mar. 28, 2025 — Why do some plants thrive in specific regions but not in others? A study explores the factors shaping plant distributions and how these patterns have changed over millions of years.

Eusocial animals express complex behaviors, like group decision-making. Evolutionary biologists have asked how and why eusociality has evolved, and what we can learn from eusocial organisms.

Learn more about a time period marked by an intense burst of evolution. 3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known.

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same mutation across fish species that have evolved on separate timelines — ...