A 2016 astronaut photo shows surprising plumes of milky material swirling in the waters of Turkey's Lake Van, the largest alkaline lake on Earth.

Soils have a natural characteristic called the cation exchange capacity (CEC) that allows them to hold (and exchange) cations (e.g., Ca+2 or Na+). These cations are held tight enough on the CEC that ...

Ash can be a beneficial additive in the garden if you're trying to reduce the acidity of your soil, but certain sources could ...

To minimize the risk, split applications or more frequent lower-dose applications are recommended. Soil amendments may help, ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly ...