Changing deer populations, rising temperatures and other factors are driving ticks and their diseases into new areas.

What to know before your next hike.

Ticks are small, and you might not notice when they bite, but the diseases they carry can dramatically harm your health. Each ...

Health officials and researchers hope that efforts to control deer populations, which serve as "party buses" for mating ticks, can reverse the tide of ticks and the illnesses they cause.

It's been a gnarly year for ticks already in the U.S., but the ticks you're seeing will vary depending on where you live.

Ticks are spreading new diseases faster than ever—and one virus family may already be evading our immune system.

Reported cases of Lyme disease, babesiosis, and anaplasmosis have climbed steadily across the United States for nearly two ...

Lone-star ticks don’t just pursue and bite people. The affliction they’re spreading, an allergy to red meat known as alpha-gal syndrome, attacks a way of life.