There are a lot of questions as to how blood harvesting affects the American horseshoe crab population, but some researchers are dedicated to the cause of protecting such a significant resource.

What is an Atlantic horseshoe crab? Atlantic horseshoe crabs may appear alien, but their history as earthlings is pretty impressive. They’ve been around for 450 million years, predating the ...

Visitors to JR Kasaoka Station in Kasaoka, Okayama Prefecture, are greeted by a large billboard standing in front that reads: “Welcome to Kasaoka, town of horseshoe crabs.” The city of Kasaoka ...

photo by Timothy Fadek This is the fate of hundreds of thousands of horseshoe crabs each year in the United States at the hands of the biomedical industry. The animals’ blood—bright blue because it ...