New research reveals that bacteria form species and maintain cohesion through frequent DNA exchange within species. This process, homologous recombination, reinforces distinct species boundaries and ...

Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance of ...

MSU scientists studied microbes in Yellowstone hot springs to understand how life adapted to increasing oxygen levels.

As a young adult, the books I read on biology and evolution became a bridge between my childhood curiosity and my adult obsession. I'm fortunate that my career allows me to indulge in my long ...

Caption Most species of bacteria in Lake Mendota rapidly evolved with the change of seasons, returning to a similar state every year, for 20 years. The blue dots represent how much individual ...