Scientists comprehensively link, for the first time, mining policy to the current understanding of watershed ecology and salmonid biology.

The uncapped profit-sharing bonus of up to 10% supports the continued operation of Peñasquito, Newmont said.

Two papers published in American Mineralogist and sponsored in part by NASA help reconstruct the history of life on earth and guide the search for new minerals and ore deposits.

Hecla Mining will buy all shares of Canadian Alexco Resource it doesn't already own, at 47 cents each share.