While evolution involves changes in organisms that we can observe, they undergo evolution at a deeper level, too. That is, changes affect the "letters" (four different types of chemical units) in ...

Eastern Pennsylvania is home to beautiful farmlands and countryside, but it's also a gold mine of information for geneticists, who have studied the region's Amish culture for decades. Because of ...

The accretion model suggests their features developed gradually due to population isolation and genetic drift, driven by climate fluctuations.

Pacific oysters are adapting to less salty waters and may soon spread into the Baltic Sea, aided by warmer seas and genetic ...

As avian influenza is found in a sheep in Yorkshire, the close contact humans have with domesticated animals is an extra ...