Water

A child in Nebraska has died of a likely infection with Naegleria fowleri, popularly known as a brain-eating amoeba.

Scientists have finally identified the origin of a puzzling volcanic mineral on Mars that was found at the bottom of an ancient lake by the Curiosity rover.

Some freshwater turtles engage in a process akin to butt breathing.

Pigs have sweat glands, but regulate their body temperature in other ways.

More than 70% of our little blue planet is covered by water, but we can only drink a tiny fraction of it. Why can't we drink saltwater when it is all around us?

A World War II-era landing boat — the same type used on D-Day in 1944 — is the latest object to emerge from the receding waters of Lake Mead near Las Vegas.

Researchers discovered 1.2 billion-year-old groundwater inside a mine in South Africa.

Camels' large, leathery mouths can handle the prickly thorns of almost any kind of desert vegetation, including that which other desert animals steer clear of.