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.

The world’s automakers “don’t worry about lithium supply anymore” – Simon Moores.

Canadian microbreweries are facing a shortage of cans and higher costs, forcing some to cut beer production after the country imposed retaliatory import duties on U.S. aluminum imports in the busy summer season.

The main union at Chile's Caserones mine has rejected operator Lumina Copper's final contract offer and workers have approved strike action.

Despite President Donald Trump’s repeated assertions of its bright future, coal mining is a dying industry and the secret to a long life in this twilight era is accepting mortality.

A surplus of cobalt chemicals used to make the rechargeable batteries that power electric vehicles has seen Chinese refiners switch to producing metal, sending prices down 30 percent in recent months.

The Canadian precious metals miner logged a $10.6-million net loss for the first half of the year following a $49-million investment in its Gold Bar, Black Fox and Los Azules projects during the period.