What is the molecular clock? Levels of molecular variation could be used, in principle, to estimate divergence times, serving as evolutionary "clocks" that "tick" at different rates. Subsequent ...

The study tracks mammoth evolution over a million years using mitogenomes, showing shifts in diversity and lineage tied to ...

Is there really such a molecular clock? If so, why? Can we use molecular clocks to date evolutionary events? After several decades of study, we have answers to some of these questions. More ...

Have you ever wondered how new species come into existence? Well, buckle up, because we’re about to dive into a moth-tivating ...

Bacterial evolution and oxygen adaptation: A timeline built from genomic, fossil, and chemical data. Colors show oxygen states: anaerobic (blue), aerobic (red), and proportion of aerobic lineages in ...

Northeastern University researchers resurrected an extinct plant gene, turning back the evolutionary clock to pave a path forward for the development and discovery of new drugs. Specifically ...

Darwin thought that evolution took place over hundreds or thousands of years and was impossible to witness in a human lifetime. Peter and Rosemary Grant have seen evolution happen over the course ...

But a new study, published today in the journal Science, maps out the evolution of bacteria for the first time by piecing together the chemical clues of available nutrients that could support their ...

A key turning point was when oxygen accumulated in the atmosphere around 2.3 billion years ago. Scientists have used this oxygen surge and how microbes adapted to it to map out bacterial evolution ...