A national park in Kentucky has the longest known cave system in the world. This week, Floyd Collins is being remembered there. He was an explorer whose death a century ago became an international ...

When I reached him, Roger Brucker was at a National Speleological Society convention in Upstate New York where he was busy signing books. Members of the society are cavers — folks who explore caves.

Italian rescuers have successfully freed a 63-year-old cave explorer who was injured by falling rocks some 40 metres (more than 130 feet) below the surface. The man, who sustained a head injury during ...

An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park. A national park in Kentucky has the longest known cave system in the world ...