A new University of Michigan study of interbreeding between two species of howler monkeys in Mexico is yielding insights into the forces that drive the evolution of new species.
A complex genetic analysis has biologists re-evaluating some long-held beliefs about the way societies evolved following the invention of agriculture—by six-legged farmers.
The ocean floors are literally crawling with nematode worms. A square meter of sediment can contain millions of worms from hundreds of species.
Biologists discover that female purple sea urchins prime their progeny to succeed in the face of stress
This story begins in the kelp forest and ends with a very important climate change message: All is not lost—at least not for purple sea urchins.
University of Colorado Boulder researchers have discovered the first known molecular evidence of obligate symbiosis in lichens, a distinctive co-evolutionary relationship that could shed new light on how and why some multicellular ...
It's the kind of thing you might lose sleep over.