A person in Arizona recently died of pneumonic plague—a rare and severe form of the disease. An expert explains how the ...

The Black Death, caused by the spread of the yersinia pestis bacteria by rats, was a devastating pandemic that first struck Europe in the mid-1300s, when it's estimated to have killed up to two ...

The strain responsible for the Black Death, which the study says is thought to have begun in 1346, was newly estimated to have diverged from an ancestral strain between 1214 and 1315 — up to 132 ...

According to European folklore, if a black cat crosses your path, you've run out of luck. The association between strolling felines and terrible misfortune likely comes from the tradition of the ...

The Black Death of 1348 famously killed half of the people in London within 18 months, with bodies piled five-deep in mass graves. When the Great Plague of 1665 hit, ...