Fleas are invasive, bloodsucking pests that, in addition to causing itchy sores on pets and people, can carry pathogens that can cause a number of illnesses, including plague, cat scratch disease, ...

Pets are one of life’s most joyous treasures—but the fleas that can often come along with them are anything but. Even if you aren't a pet parent, these pests can invade your home, and they multiply ...

Fleas are a year-round problem in the South, both indoors and out. “They’re carried into your yard by wildlife such as squirrels, raccoons, opossums, mice, and deer,” says Eric Benson, PhD, professor ...

The human flea is actually rare in Central Europe. But in Berlin, the parasites are currently spreading—likely due to foxes. PETBOOK editor and biologist Saskia Schneider explains how fleas differ ...