Hidden within fish DNA are powerful genetic twists that may explain one of nature’s biggest mysteries: how new species form so quickly. In Lake Malawi, hundreds of cichlid fish species evolved at ...

You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique ...

Animals able to change behaviors but slow to evolve might fare better than previously thought amid climate change.

The appendix has independently evolved at least 32 times across 361 mammalian species. What makes it an evolutionary darling ...

Photosynthetic bacteria do not release oxygen during photosynthesis but can convert solar energy into chemical energy with ...

For decades, scientists have observed a clear pattern across the natural world: biodiversity tends to be higher near the ...