Cavers encountered a massive blue crab in a cavern in India, marking the first time the at-risk species had been spotted in ...

A rare crab known for its bright blue color and giant size hasn’t been spotted on an Indian Ocean island following a deadly ...

Callao Cave is the most visited one and the flagship tourism destination in the Cagayan Valley Region. It is named after the bird species ‘Kalaw’, which is now considered endangered. It is famous for ...

In the clear water of Totem Pole Cave (not pictured), “giant” creatures swim around, waiting to be discovered. Michael Behrens via Unsplash In the Northern Territory of Australia, large karst ...