A granite boulder carved more than 35,000 years ago deep in a cave in Israel may be the oldest evidence of ritual practices in the Holy Land, a new study suggests. The grooves carved into the ...

Mantle was one of the first to recognize the cultural significance of the cave and the other rock shelters in the Castle Park Region, and the need for their preservation and interpretation. In 1939 ...

CU Boulder alum and experienced caver Dave Steinmann recently discovered a new species of pseudoscorpion in Mallory Cave, with a moniker honoring its namesake hometown When Dave Steinmann (Phys’90) ...