Hundreds of millions of years later, these species are nearly indistinguishable from their prehistoric ancestors. A horseshoe crab is seen swimming along the sea floor in coastal waters surrounding ...

A new study looking at horseshoe crabs in the Long Island Sound confirms the ancient creatures face potential extinction. The threat stems from climate change, loss of habitat, and overharvesting.

The federal government is shutting down the harvest of a species of marine invertebrate in a national wildlife refuge during the spawning season to try to give the animal a chance to reproduce.

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 ...

Conservation groups argue horseshoe crabs should be listed as an endangered species to help protect their habitat and reduce harvesting. Almost two dozen conservation groups are asking federal ...

Horseshoe crab populations continue to decline and that's raising alarm from researchers. The species is continuing on the decline, according to new research from the Maritime Aquarium in Norwalk.

For decades, humans have harvested the blood of horseshoe crabs, which is used to test whether many of our vaccines and medicines are contaminated with harmful bacterial toxins. Some of the crabs die ...

STRATFORD, CT (WFSB) - A bill that bans the harvesting of horseshoe crabs in Connecticut was signed into law on Wednesday. Gov. Ned Lamont participated in a bill signing ceremony at 11 a.m. at Short ...