Liquid water on Earth is the reason humans can thrive on this planet. If we ever want to colonize the stars beyond our home ...

Mars isn’t as arid as it may seem. Billions of years ago, the surface of the Red Planet rippled with oceans and rivers of liquid water, but now it seems that all of that fluid has disappeared, leaving ...

A space tool built to spot moisture on Mars is now tackling a real problem on Earth, helping communities find leaks, curb waste, and keep more water flowing.

Hong Kong (CNN) — As Chinese scientists analyzed the soil samples that their lunar probe brought back from the moon, they realized something groundbreaking: There was water found along with minerals ...