If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Earth is covered in water. It’s the big blue marble, and oceans dominate its surface ...

Without them, “the majority of researchers might miss the connections.” The big picture, the researchers say, is that the total amount of water in Earth’s soils has been declining since the ...

Scientists have long been intrigued by the search for water beyond Earth, and NASA's 2012 discovery on Mercury has ...

"Something like 2.7 billion people are without adequate sanitation ... depletion has doubled since 1960." Some of Earth's groundwater is fossil water, created when Earth's climate was far different.