Asteroid Miners:
The Companies Racing to Tap Space’s Hidden Wealth

Asteroids are potential gold mines. With trillions of dollars in untapped resources floating in near-Earth space, a new wave of companies is developing the tech to mine them. Here are the bold ventures turning science fiction into the next great space industry.

AstroForge

This California-based startup is making headlines by aiming to become the first private company to extract and return materials from an asteroid. Their compact, low-cost spacecraft are designed to mine platinum-group metals and refine them in space. A return mission is already targeted for the mid-2020s.

TransAstra

TransAstra takes a unique approach using “optical mining.” Instead of drills, they use focused sunlight to break down asteroid materials. Their future spacecraft, like Honey Bee, will collect gases and metals using solar-powered systems. The company’s vision includes creating fuel depots from asteroid water to support deep-space missions.

Karman+

With offices in the U.S. and France, Karman+ is developing technology to mine water-rich asteroids. Their strategy focuses on harvesting water for in-space refueling, creating a sustainable orbital economy. They envision space mining as an enabler for long-duration missions and planetary defense.

OffWorld

Rather than building a single spacecraft, OffWorld is designing robotic swarms that are AI-driven machines collaborating to mine surfaces autonomously. Their tech is being tested on Earth now, with future applications planned for the Moon, asteroids, and Mars. It’s a scalable system with eyes on the stars.