Roughly 3.5 billion years ago, Gale Crater on Mars held a lake. The sediments that settled at its bottom have been locked in stone ever since, baked by radiation and scoured by thin, cold wind. This ...

Using gas chromatography–mass spectrometry (GC-MS) aboard the Curiosity rover, scientists have identified more than 20 ...

Metamorphic rocks are more than just beautiful formations — they’re time capsules that capture the heat, pressure, and chemical changes deep within Earth. From recording ancient tectonic collisions to ...

Renewable energy is energy derived from natural sources that are replenished at a higher rate than they are consumed. Sunlight and wind, for example, are such sources that are constantly being ...

Hypersaline environments, such as solar salterns, soda lakes, deep-sea brines, salt mines, salted foods, and dry soils, are among the most challenging ...