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

In response to worried reports about “dead horseshoe crabs washing up” on some Massachusetts beaches, the state’s division of Marine Fisheries is assuring people that all is well. “It’s OK, the ...

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

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 ...

Horseshoe crab populations have crashed and their habitat is disappearing. Advocates say Endangered Species Act protections are urgently needed.(Courtesy Gregory Breese/USFWS) When you walk down the ...

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

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, ...

The horseshoe crab in the amazing YouTube clip captured at Aquaria KLCC in Malaysia appears to have gotten itself in a tricky situation! You normally see them scuttling around the ocean floor, but ...

This guest essay reflects the views of Carl Safina, endowed professor for nature and humanity at Stony Brook University. Plenty of people have never seen a horseshoe crab. Of those who have, plenty ...

Now that New York State has approved a phased-in ban on the harvest of horseshoe crabs for bait and medical uses, fishermen who harvest or use the species to trap whelk and eels say it’s imperative ...

A remarkably preserved horseshoe crab fossil from North America offers rare insight into some of the earliest known cases of animal disease in a Late Carboniferous swamp—some 50 to 70 million years ...