To mine an asteroid, a company like Planetary Resources first has to find one that promises a good return on investment. But asteroids don't glitter like stars. They are small, dark, and easily ...

Asteroid mining has shifted from science fiction to business plan, with serious money and engineering talent now chasing ...

The most promising clues are not in speculative business plans but in ancient space rocks themselves, whose chemistry and ...

Space mining tech and robotic prospecting are unlocking extraterrestrial resources, reshaping future energy, manufacturing, ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...