With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Horseshoe crabs have survived 300 million years with little change. Their blue blood protects humans from bacterial ...

The crabs' numbers have been depleted in recent years because of a loss of habitat and their value for testing new medicines.

Along the Atlantic Coast, one species is supporting ecological and human health — the American horseshoe crab. In Maryland, horseshoe crabs are a common site on the coast and in coastal bays. Harvest ...

The humble horseshoe crab, an ancient species crawling seafloors since before the dawn of the dinosaurs, was durable enough ...

NAPLES, Florida (WBBH) — Horseshoe crabs have been around for millions of years, but did you know they also save human lives? “Their blood contains a factor which is highly, highly sensitive to ...