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

Feb 12 (Reuters) - Environmental groups on Monday petitioned the U.S. government seeking endangered species protection for the American horseshoe crab, a "living fossil" under threat from commercial ...

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

A grassroots group of conservationists in Indonesia are racing to help preserve the horseshoe crab, an otherworldly, marine living fossil. Fossils resembling modern horseshoe crabs have been found as ...

Horseshoe crabs — also known as “living fossils” — have existed nearly unchanged for the past 445 million years, long before dinosaurs even existed, according to the Florida Fish and Wildlife ...

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

Horseshoe crabs are also harvested for use as bait by the commercial whelk and eel fisheries. Even though horseshoe crab ...

When the spring high tides strike, tens of thousands of horseshoe crabs descend on the Delaware Bay to spawn. (Steph Yin/WHYY) From Philly and the Pa. suburbs to South Jersey and Delaware, what would ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you take a look at a horseshoe crab, you are essentially peering ...

A conservation group sued President Donald Trump's administration on Monday over its failure to act on protecting American ...

The American Horseshoe Crab is about as close as you can get to a creature that shared the Earth with dinosaurs, but the Center for Biological Diversity said the marine animals are in trouble.