Horseshoe crabs have roamed Earth's oceans for hundreds of millions of years, and their secrets go far deeper than a ...

Horseshoe crabs along New Jersey’s Delaware Bay are showing signs of recovery after 15 years of sharp decline. But ...

Horseshoe crabs are not endangered or threatened in Massachusetts, but their numbers are at historic lows. To protect the species, state wildlife officials are rolling out new regulations. As of 2024, ...

Horseshoe crabs show up in the fossil record over 445 million years ago. Their blood is valuable in testing vaccines.

ALBANY — State legislators have made another run at prohibiting the harvesting of horseshoe crabs, hoping a bill they approved this week won’t be quashed by a veto. The State Senate gave final ...

Horseshoe crabs have weird blood, mate en masse in May and June, and harbor a secret weapon that’s probably saved your life. Here are some more facts about these ancient arthropods. In fact, they aren ...

They have milky blue blood that can detect toxins – and people in lab coats want it Every day in bright clinical rooms in countries all over the world, horseshoe crabs are strapped into specially ...