Horseshoe crabs face serious danger when they become flipped onto their backs, often unable to right themselves. In this ...

New research shows South Carolina horseshoe crabs are laying eggs in the salt marsh and those eggs are developing.

The Horseshoe Crab Protection Act, signed by New York Gov. Kathy Hochul late last month, will take full effect in 2029. The ...

The American Horseshoe Crab is about as close as you can get to a creature that shared the Earth with dinosaurs, but the Center for Biological Diversity said the marine animals are in trouble.

The American Horseshoe Crab is about as close as you can get to a creature that shared the Earth with dinosaurs, but the Center for Biological Diversity said the marine animals are in trouble. FOX ...

A red knot picks eggs off the shell of a female horseshoe crab. The male crab is the smaller one behind her. Jan van de Kam Griendtsveen NL HiltonHead Environmentalists are suing the federal ...

A red knot picks eggs off the shell of a female horseshoe crab. The male crab is the smaller one behind her. Environmentalists are suing the federal government over what they say is a failure to ...

The horseshoe crab has survived since before the dinosaurs, but human activity in mere decades has pushed the species toward an unsustainable population. The Center for Biological Diversity this week ...

Horseshoe crabs are called "living fossils," going back more than 450 million years, predating the dinosaurs and surviving multiple mass extinctions. The crabs' numbers have been depleted in recent ...

The Center for Biological Diversity is suing the federal government for failing to protect American horseshoe crabs under the Endangered Species Act. Will Harlan, a senior scientist at the Center, ...