Volcano deaths highlight perils of adventure tourism

The deaths of at least five tourists in a volcanic eruption in New Zealand have raised questions over whether tour companies are taking enough precautions to keep visitors safe -- and whether tourists are aware of the risks.

Global weapons sales up; US leads market

The global arms industry continues to grow with total sales up 4.6% last year, according to data from the Stockholm International Peace Research Institute (SIPRI) released Monday.