We've all heard the golden rule of "eight glasses of water a day" to stay hydrated and healthy. But what if we told you that ...

HMS Prince of Wales set to head biggest British naval embarkation since Falklands War in message of unity to West ...

Jezero Crater on Mars was once home to a lake, delta and rivers. See an animation of what it could have looked like when water poured into the crater billions of years ago and present day. Credit: ...