The main challenge for mining near-Earth celestial bodies is neither technology nor cost, but simply “convincing people it is realistic,” says Dr. Phil Metzger.

Thanks to coal.

The commodity added $14.80 per tonne on Tuesday alone. Its trading now at almost $200 per tonne.

Parabolic rise to hit $180 a tonne on Friday prompts talk of a bubble in steelmaking coal market.

Alberta wildfires that swept through Fort McMurray in May have resulted in the loss of $1 billion in planned capital spending in the oilsands for 2016, according to Alberta's chief energy economist.

Under the new plan, Chinese miners will cut or boost output to keep coal prices within a desired range.

PGMs down nearly 10% and manganese production down 24%.

OSIRIS-REx will collect samples from an asteroid and return them to Earth, in what it could be a pivotal step for firms currently planning to tap into the space mining business.