On October 20, 2020, a robot carefully scooped up 121.6 grams of the most expensive dirt in the solar system.That robot, a ...

Perseverance rover found a rock on Mars named Phippsaksla with so much iron and nickel that it could be a meteorite.

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Space mining often sounds like a fast route to endless metals. In practice, the first question is simple: what are small ...

When scientists cracked open the first grains from asteroid Bennu, they expected a time capsule of rock and dust. What they ...