WATER

Sparkling water isn't exactly healthy, dentists warn.

Will cities on the sea be the next home for humans? A floating city might be the only answer to overpopulation and rising sea levels.

Thanks to cleaner waters, New Yorkers can spot a humpback whale while they get a slice of pizza.

Less than three percent of Earth’s water is fresh water, and current desalination methods have large financial and energy costs associated with them. But that could be changing.

The megalodon was the biggest shark ever — by a lot — but it went extinct a couple million years ago. It turns out it could have died out with many more ocean animals, in a global extinction event.

The Essential PH-1 or simply the Essential Phone might be launching soon in the U.S. as it files for FCC certification.

A spacecraft orbiting Mars used its telescope to take a photo of the Curiosity rover on the planet’s surface, and it really puts things into perspective.

Michigan's health and human services director and the state's chief medical executive faces charges.

Samsung may have a focus on audio with the Galaxy Note 8.

As Mars was changing from a comfortable planet with a thick atmosphere and lots of water into a dry and cold wasteland, these rocks captured evidence of those environmental changes.

It might seem silly that a concoction made of just lemon and water could be a health trend, but many are raving about the benefits of the beverage.

You can save your skin from scalding hot water the next time you wash your hands.

The seven Earth-sized planets in the Trappist-1 solar system formed as their pieces moved toward the star and ice melted into water.

Scientists have taken close-ups of fish lips to figure out how this species can suck food off corals without getting stung. The secret is a kiss covered in mucus.

Ancient Mars could have had enough water to fill up a large ocean and many rivers flowing into it.

The subtly sweet maple water is making a big splash in the health market

The rivers on Titan, Saturn’s biggest moon, flow across its landscape the way they used to on Mars before it dried up, so Titan may not be as similar to Earth as we thought.

Comets may have delivered Earth’s atmosphere while it was forming and made it the planet we love today.

For the first time, we have footage of narwhals using their unicorn-looking tusks, and the arctic whales are using them as weapons.

Samsung's only limit is sidewalks, according to SquareTrade product testing labs.

Not all exoplanets are created equal — some are much more likely to be harboring alien life.