Cavers encountered a massive blue crab in a cavern in India, marking the first time the at-risk species had been spotted in the region in 150 years, per a watershed study published May 26 in the ...

When a cave explorer stumbled across what she thought was trash, she couldn't believe it when she realised what she'd ...

The “elusive” animal sighting followed a devastating tsunami, 150 years of scanty records and failed searches.