Water at moon's south pole may be more recent, study says

The return of humans to the moon, as well as ongoing robotic missions, may require using resources already on the lunar surface. The moon's south pole is of particular interest because of ice deposits in craters there.

Zimbabwe's water woes worsen as capital shuts down treatment plant

Authorities in Zimbawe are scrambling to meet the water needs of the country's capital Harare after the city's main water treatment plant was shut down on Monday, leaving 1 million people without tap water.

What keeps Pluto's ocean from freezing?

When NASA's New Horizons spacecraft flew past Pluto in 2015, researchers hoped that its data would help them unravel some of the dwarf planet's mysteries. Instead, the discoveries made during the close-up look at Pluto and its moon Charon revealed more questions that needed answering.

FDA proposes new fluoride standard for bottled water

The US Food and Drug Administration is proposing a lower concentration level standard for fluoride in bottled water, yet some scientists and environmental groups believe that the proposed limit is still too high and poses a danger to human health.

Photos reveal the recent rivers that ran across Mars

Mars may seem inhospitably dry now, but NASA's rovers have shown that water was once abundant on the Red Planet. Photos gathered during NASA's missions orbiting Mars have revealed that the planet was once home to raging rivers -- and that those rivers existed more recently than previously thought, according to a new study.

Does alkaline water live up to the hype?

Everyone knows that drinking water is good for you, but could there be a way to make it even better?

Machine makes gallons of drinking water out of thin air

Machines designed by a California-based team can produce, in some cases, up to 300 gallons of fresh drinking water a day by pulling it straight from the air. And the team just won a $1.5 million prize for it.

Is sparkling water as hydrating as regular water?

Good news: Sparkling water (including the flavored kind), which often helps with the taste fatigue some people experience with plain water, is just as hydrating as non-carbonated water.

Internet mocks 'Permit Patty' over black girl selling water

The woman who threatened to call police on an African-American girl selling water on a San Francisco sidewalk -- and who was mocked online as "Permit Patty" -- has resigned as CEO of TreatWell Health.