Tri-spine horseshoe crabs have lost more than half their population in the past 60 years. But on the Philippine islet of Pangatalan, the species is an unexpected symbol of resilience.

The “luminescent” photo of an endangered tri-spine horseshoe crab — chosen out of 49,957 entries from 95 countries — was “astonishing” to see, Chair of the jury and editor, Kathy Moran ...

Horseshoe crab blood is used to test vaccines around the world. But while Europe has approved a synthetic alternative, biomedical labs are bleeding more crabs from the Atlantic coast.

A ‘hauntingly beautiful’ image of horseshoe crab and a beached orca taking its final breaths were among the winning images of the Wildlife Photographer of the Year 2023 competition.

These horseshoe crabs have existed for more than 100 million years, ... Images capturing a starving tiger, fighting bison and pit of vipers honored in environmental photography awards; ...

Mass Audubon's science coordinator Mark Faherty examines a horseshoe crab in Pleasant Bay, where he has conducted research on them for years. John Tlumacki/The Boston Globe via Getty Images If you ...

The winning photographs star different species from around the world, all highlighting the interplay between animals and humans. The two grand titles went to shots of a horseshoe crab and barn owls.

Stunning new images of horseshoe crabs show the colorful sea creatures thriving in a marine protected portion of the Philippines. The unique creatures, which can grow to between 14 and 19 inches ...

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. As of ...

13 stunning photos from this year’s best wildlife photographers 13 stunning photos from this year’s best wildlife photographers Horseshoe crab blood is key to making a COVID-19 vaccine—but ...

A ‘hauntingly beautiful’ image of horseshoe crab and a beached orca taking its final breaths were among the winning images of the Wildlife Photographer of the Year 2023 competition.