The longevity of horseshoe crabs is astonishing. They have been around for 450 million years, predating dinosaurs by some 200 million years, and have survived multiple mass extinction events. At this ...

Horseshoe crabs are often referred to as the "living fossils" of our planet -- the four known species, including three in Asia and one in North America, remain nearly identical to their ancient ...

JACKSONVILLE, Fla. — If you have had a vaccine in the last few years… of had a shot for cancer treatment... or have even take a weight loss medicine, you can thank a horseshoe crab. Horseshoe crabs, ...