Companies are eager to mine the deep ocean for valuable mineral deposits. But scientists are concerned about impacts on sea life, including creatures that haven't even been discovered yet.

To avoid global warming on a catastrophic scale, nations need to reduce emissions and find ways to pull carbon from the air. One promising solution: spreading rock dust on farm fields.

Jezero crater, the landing site for NASA's Mars 2020 rover, appears to harbor a mineral that could preserve signs of ancient life, researchers say.

A strange mineral deposit in the Nili Fossae region of Mars has puzzled scientists, but there's a new explanation for how it got there.

The answer to future greenhouse gas challenges may be right under our feet, an evaluation of soil minerals' role in carbon storage suggests.