Imperial Oil says it has commenced and is ready to expand field testing of driverless oilsands heavy haulers.

Mali's government has granted Randgold Resources a 50% corporate tax reduction for the next 4 years at its Gounkoto mine.

EU antitrust regulators on Wednesday voiced concerns about German Wieland's bid for copper smelter Aurubis' flat-rolled products business, saying the deal may hurt competition.

The London Metal Exchange (LME) launched on Wednesday a consultation to trial in the first quarter of next year the use of its electronic system to determine closing prices of the three-month nickel contract instead of open outcry.

Workers at BHP Billiton Ltd's Escondida mine in Chile, the world's biggest copper mine, have voted to reject a company wage offer and go on strike.

They were said to be investigating a private Russian security company operating in CAR as well as Russia’s interests in the local diamond, gold and uranium sectors.

The Hope Diamond, a rare blue diamond that is one of the world's most famous jewels, has had a complicated history, passing through the hands of monarchs and bankers and heiresses and thieves. The geological history of blue diamonds is even more complex.

Company said first-half profit grew 12% to $4.42 billion, below the $4.53 billion forecast by analysts.

In a year of multiple milestones for Cat® trucks, Caterpillar announces the manufacture and delivery of its 50,000th articulated truck. Since the start of Cat-branded articulated truck manufacturing in Peterlee, U.K., in 1985, Caterpillar has become a leader in articulated truck design and manufacture.