Between 15,000 and 30,000 years ago, a now-extinct population of wolves evolved into dogs, with a little help from humans. Today—at least in Italy, which hosts one of Europe’s largest wolf populations ...

In the shadow of nuclear disaster, these canines show remarkable resilience to the deadly disease.

Living alongside humans changed both how dogs behave and how they look. Research shows that domestic dogs developed a small facial muscle that helps them create the familiar “puppy dog eyes” ...