Long before DNA unraveled the double helix of life, scientists were already tinkering with its inheritance. The idea that ...

Scientists have studied the effects of trophy hunting on bighorn sheep with alarming results: human selection is leading to artificial evolution, resulting in smaller horn size. "We have been ...

As a result of artificial selection from breeding, certain breeds of these two species—which shared a common ancestor but have been evolutionarily separated for 50 million years—have converged ...