A combination of antibiotics is more effective in treating Lyme disease than the commonly prescribed course of a single antibiotic alone.

Like Lyme disease, babesiosis is a common tick-borne illness, one that's on the rise in the United States. Here's what you should know.

"If we can unravel the mechanisms at play here, we might be able to block this protein and stop ticks from spreading the bacteria to people..."

Shelter dogs in the Eastern US may be bearing the brunt of ticks' and mosquitoes' expanding range due to warming temperatures.

Blacklegged ticks are surprisingly impervious to extreme temperatures, research finds. "Somehow, they hunker down and survive great."

Warm weather means tick season. But that doesn't mean you can't enjoy the great outdoors. Experts have tips that can help.

Borrelia burgdorferi, the bacteria that causes Lyme disease, uses tenacious trial-and-error movements to worm their way in and infect us.

A new ultra-sensitive DNA test that identifies Lyme disease in horses could have applications for dogs and humans, too, researchers report.

New research tracks the tick-borne bacteria Borrelia miyamotoi. "To our surprise, it was found at all our testing sites throughout New England."

Scientists are hurrying to learn more about the Heartland virus, which lone star ticks are circulating in Georgia.