Every spring horseshoe crabs come to South Carolina beaches to reproduce. A volunteer initiative with the SCDNR helps ...

The best time to see the ancient wonders that are horseshoe crabs is now, as they return to Delaware Bay beaches for spawning ...

The horseshoe crab in the amazing YouTube clip captured at Aquaria KLCC in Malaysia appears to have gotten itself in a tricky ...

Often referred to as a living fossil, the American horseshoe crab, Limulus polyphemus, is one of the most-studied invertebrate animals in the world. It has served as a model in Nobel Prize ...

Each spring, guided by the full moon, hundreds of thousands of horseshoe crabs clamber onto beaches across the U.S. mid-Atlantic to lay their eggs. For hungry birds, it’s a cornucopia.

But conservationists who have been trying for years to save a declining bird species — the red knot — that depends on horseshoe crabs fear the protections still don’t go far enough.

An Atlantic horseshoe crab attempts to flip over on Pickering beach, a national horseshoe crab sanctuary near Little Creek, Delaware. Delaware Bay — For such a resilient species, the horseshoe ...

Horseshoe crabs used to be everywhere. Millions of years before dinosaurs roamed the planet, each spring, the hard-shelled creatures gathered to mate in massive mounds along the beaches of 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.

Ms. Cramer is the author of “The Narrow Edge,” about red knots’ migration and horseshoe crabs. Anyone who gets a flu or Covid shot, childhood immunization, heart stent or hip replacement ...