Scientists rely on the bright-blue blood of horseshoe crabs to test vaccines and other medical products for deadly contamination.

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 ...

Matt Sclafani leads trials at Stony Brook University to find alternatives to horseshoe crabs for bait for whelk as new laws ...

Horseshoe crabs have lived on earth for nearly half a billion years. The Center for Biological Diversity says their populations have plummeted. The Center for Biological Diversity has sued the ...

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, ...

Discover Singapore's pioneering efforts to captive-breed coastal horseshoe crabs and conserve critically endangered seahorses ...

Several locals have reported "unusual amounts of dead horseshoe crabs" washing up on Massachusetts beaches in recent days. However, officials say the spectacle is no cause for concern, as they're just ...

The east coast’s horseshoe crab spawning season generally runs from May through June, according to DNR. The crabs typically spawn during a full moon, when the high tide allows them easy access to the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. With copper-blue blood prized by modern medicine and a body ...

Discover Singapore's diverse equine-inspired native species, including horseshoe crabs, seahorses, horseshoe bats, and ...