Science & Technology

Multiple Firms Planning Prospecting Missions to Passing Asteroids

Pennies from heaven

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Mining in space is moving from science fiction to commercial reality but metals magnates on this planet need not fear a mountain of extraterrestrial supply—the aim is to fuel human voyages deeper into the galaxy.

Within three years, two firms plan prospecting missions to passing asteroids. When even a modest space rock might meet demand for metals like platinum or gold for centuries, it is little wonder storytellers have long fantasized that to harness cosmic riches could make, and break, fortunes on Earth.