Evolution is always happening — so why can't we see it? A biologist explains the timescale problem, election pressure, and ...

(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

Although modern crocodiles, alligators, caimans and gharials are restricted to the tropics, their fossil record tells a very ...

Hundreds of hominin fossils reveal that human body size remained stable for ages before a sharp increase in early members of ...

Directed evolution has been instrumental in the development of biomolecules with unique and desired functions relative to their natural starting points. While many strategies work well for generating ...

Astronomers have revealed new details about how young stars shape their galactic surroundings in a new study. Researchers analyzed about 18,000 star-forming regions in nearby spiral galaxies using ...

Mollusks have produced many evolutionary innovations since they first appeared 540 million years ago, including spiral shells and a toothed tongue. A new study shows that about half of these ...

In his 1989 book Wonderful Life, the late Harvard scientist Stephen Jay Gould imagined rewinding life’s history to an early ...