Will Harlan, a senior scientist at the Center for Biological Diversity, says since 2000, horseshoe crab populations have ...

Horseshoe crabs have been around for 400 million years, but without protection, they could vanish from SC coast, ...

The best time to see the ancient wonders that are horseshoe crabs is now, as they return to Delaware Bay beaches for spawning season. Horseshoe crabs first developed 540 million years ago in the ...

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 ...