An enzyme in the blue blood has been key to testing vaccines since the 1980s, raising concerns for the crabs’ population. 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 ...

Interstate fishing regulators are limiting the harvest of a primordial species of invertebrate to try to help rebuild its population and aid a threatened species of bird. Fishermen harvest horseshoe ...

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.

ANNAPOLIS, Md.— The Center for Biological Diversity today sued the Maryland Department of Natural Resources under the state’s Public Information Act for failing to release information detailing ...

Fossils are our time machines into the past, but not all matter is easy to preserve. Though bones tend to fossilize well, soft tissues, which help tell more complete stories about ancient creatures, ...

The species population is plummeting. How can the governor see these animals only as a resource to be exploited?

The discovery suggested that horseshoe crab brains haven’t changed much and that there are more ways for soft tissues to be preserved in the fossil record. By Priyanka Runwal Brain tissue is innately ...