A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida and its manatee ...

Scientists have discovered an ocean located beneath the Earth's crust that contains more water than all the surface oceans ...

The subterranean aquifer lurking in the mountains contains three times as much water as Lake Mead at full capacity.

In a thrilling close approach, the BepiColombo mission captured its final, stunning images of Mercury before its orbit ...

So many comets have failed to live up to predictions that many people have become cynical about them, so why does this happen ...

Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II.

These are tech expert Marc Salzman's top CES picks for USA TODAY after his hands-on with future gadgets and gear in Las Vegas ...

Bulambuli district in Eastern Uganda on the slopes of Mountain Elgon is most known for the rampant landslides during the ...

One Earth satellite can see plankton that photosynthesize. The other measures water surface height. Together, their data ...

"The current accumulated rainfall, precipitation in El Paso is 4.73, so we're relying more and more on the aquifer, rather than what they call surface water." Experts are still searching for ...

This striking astronaut photo shows one of Russia's deepest lakes sandwiched between two halves of a volcano as its surface ... top of the island, which would mean the clouds would block their ...

The data from this mission will help us understand how water forms and behaves ... simultaneously for a high-resolution view of the Earth's or moon's surface. SIMPLEx missions can use these ...