WHEN Star Trek creator Gene Roddenberry first dreamed up the concept of a television show based in the unexplored universe of Outer Space in 1964, the world was a very different place.

SCIENTISTS say supersonic plumes of gas and dust shooting off one of Saturn’s moons suggest it has liquid water, a key building block of life.

NASA will mark Independence Day in the US with an audacious mission that will blast a stadium- sized hole in a comet half the size of Manhattan.