New research pushes the first genetic evidence of dogs back by 5,000 years and suggests that hunter-gatherer groups may have ...

The droppings contain DNA, he thought, and perhaps, even after rain washes them away, some DNA might remain. And if it does ...

A new DNA study reveals 15,800-year-old dogs in Anatolia were buried like humans, showing early bonds and rapid spread across ...

Add Yahoo as a preferred source to see more of our stories on Google. Mosquitoes have existed far longer than humans, but evolved to feed off of their blood. - Tang Chhin Sothy/AFP/Getty Images ...

Mosquitoes haven’t always had a taste for human blood — partly because the tiny yet dangerous insects have been around a lot longer than humans. Pinpointing when mosquitoes shifted their preference to ...