For travelers headed to Crater Lake National Park for the long holiday weekend, it’s hoped some things have changed. In March ...

Yet, the lake is the crater of a giant super volcano ... with Bitcoin hitting record highs. New laser technology is helping border security to distinguish illegal ivory from legal mammoth tusks.

The deposit is located on a farm near the southern New Zealand city of Dunedin. In the ancient crater lake, successive layers of sediment built up from the surrounding environment over tens of ...