Genghis Khan fathered an empire in more ways than one.
Alcoholism runs in families. So does hangover tolerance.
Researchers find that caffeine evolved in coffee, tea, and chocolate independently.
Roundworms don't actually need to mate to reproduce. When they do mate, though, the consequences can be deadly.
We humans tend to focus on the differences between us, even in spite of abundant similarities.
When it comes to our sense of smell, genetics seems to matter an awful lot.
When losing is winning in the complicated social world of baboons.
Chocolate production is both an art and a science. Researchers hope to alter chocolate genes to produce sweeter rewards.
Are six-fingers in store for our evolutionary future?
Scientists believe human brain development is the result of genetic mutations that occurred millions of years ago.