Genetic ancestry tests claim to trace your roots and connect you with ancient peoples, but experts say the science doesn’t ...

The cave is low and dark, and it is dug into limestone on a little island in the Baltic Sea where the wind blows salt from ...

The oldest sediment DNA discovered so far comes from Greenland and is 2 million years old.

Scientists studying thousands of rats discovered that gut bacteria are shaped by both personal genetics and the genetics of ...

When related animals produce offspring, the young can be affected by physical abnormalities and health problems. We explain why.