Its proponents have seen it as the best hope for particle physics to solve long-standing mysteries such as dark matter. The skeptics have protested its privileged treatment in the absence of ...

The world’s largest cave is over five miles long - so big that even a Boeing 747 could fit inside it. Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos ...

Discovered in 2000 by an amateur cave explorer, the Grotte de Cussac in the Dordogne department holds ancient human remains, traces of long-extinct bears and stunning, fragile artworks its ...

Discovered in 2000 by an amateur cave explorer, the Grotte de Cussac in the Dordogne department holds ancient human remains, traces of long-extinct bears and stunning, fragile artworks its ...