Asteroids can be veritable treasure troves containing out-of-this-world deposits of valuable mineral resources like nickel and gold. Could they be mined and brought back to Earth?
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Phosphorus is essential for growing crops, but global reserves are shrinking fast. Now researchers are looking for ways to recycle the valuable mineral — by harvesting human urine.
Despite stronger storms and hotter heat waves, world leaders have not spent enough money adapting to the 'new climate reality'.
Gold mines in isolated areas of Africa’s Sahel region have become a welcome source of income for terrorists. Recent attacks in Burkina Faso show that security forces in the region are unable to gain the upper hand.
A small community in the German state of Saxony may soon see the revival of its centuries-old mining tradition. But this time around, the focus is no longer on tin or tungsten but on lithium, as Hardy Graupner reports.
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