The Asian longhorned tick, first found in the country last year, is now present in several states.

Warmer weather is thought to be behind the rise in vector-borne illnesses in recent years.

This lone star tick’s bite can cause an allergy to red meat.

Scientists have found the oldest known specimen of a blood-sucking insect together with the remains of its host. 

These fossilized red blood cells (right), found in an ancient, blood-engorged Amblyomma tick (left), likely belonged to primates.

What researchers are learning as they sequence, map, and decode species’ genomes

A new tick-borne disease has emerged in the US Midwest—and the culprit is not a bacterium.