Genetic research does not always produce tidy answers. Sometimes it reveals traces that raise more questions than they settle. In recent years, scientists studying human DNA identified genetic signals ...

Ancient linkups may have happened more frequently between female humans and male Neanderthals, according to an new genetic analysis. Scientists know that Neanderthals and humans mated because there ...

Weizmann Institute study finds genetics may account for about 50 percent of human lifespan, more than double previous estimates.

To Shakespeare’s Hamlet we humans are “the paragon of animals”. But recent advances in genetics are suggesting that humans are far from being evolution’s greatest achievement. For example, humans have ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

While estimates of total pregnancy losses vary considerably, about 15% of known pregnancies end in miscarriage, and many other conceptions do not survive past the very early stages of pregnancy. The ...

Scientists studying 1,300 golden retrievers have uncovered genetic clues explaining why some dogs are more anxious, energetic, or aggressive than others. Remarkably, several of the same genes linked ...

Add Yahoo as a preferred source to see more of our stories on Google. The findings could help with both dog training and medication advancements. You’re likely not reading too much into your dog’s ...

Testing the biological sex of an athlete is becoming more common in sport, with governing bodies defending the practice as safeguarding fairness for women. But as the introduction of mandatory genetic ...