The Khewra Salt Mine, here in the Punjab region of Pakistan, is the second largest salt mine in the world. The pink salt comes from remnants of ancient seabeds that crystallized 600 million years ago.

One of the biggest diamond mines in Canada is breaking records as it produces 4.2 kW of power. Diavik Diamond Mine is ...

Scientists say that while an individual mine might eventually run out because of the abundance of those mines and the amount ...

Brazil's federal police indicted 20 people Friday for rock salt mining in the northeastern coastal city of Maceio that destroyed five urban neighborhoods and forced tens of thousands of people to ...

KHEWRA, Pakistan, (AFP) - A centuries-old salt mine in Pakistan is offering experimental asthma therapy, attracting patients from all over the world. Khewra, billed as the world's second largest salt ...