Nudibranchs may look beautiful and delicate, but these sea slugs have some of the ocean's best defenses, making them worthy ...

In a recently published paper, NASA scientists use nearly 20 years of observations to show that the global water cycle is ...

Researchers have demonstrated a new technique that lets them create carbon-free hydrogen by splitting water at an atomic ...

Currently, the HHS recommends a fluoride concentration of 0.7 milligrams per liter of drinking water, though the EPA enforces ...

A federal court had ordered the Biden administration to take action over fluoride's potential health risks at higher levels.

An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the ...

Salt pollution in freshwater is a growing global concern. Excessive salt harms plants, degrades soil, and compromises water ...

Wastewater plants are failing to remove a group of potentially toxic chemicals before pumping treated water into rivers and ...

Scientists have discovered how plants adapt their root systems in drought conditions to grow steeper into the soil to access deeper water reserves.

An analysis of more than 70 studies on fluoride and IQ levels concluded there was a relationship between higher levels of the ...

Fluoride exposure appears to slightly decrease IQ scores in children, a new federal meta-analysis has concluded -- but not at the low levels recommended for U.S. drinking water.