(PA ) Now NASA says it has revised plans to explore Europa, coming up with a cheaper way of completing its mission.
Jupiter's Europa Moon is 'Most Likely to Support Life'
FEBRUARY 18, 2013Steve Nolan, Daily Mail
NASA scientists believe that one of Jupiter's moons is the most likely place in the universe beyond the Earth that could harbour life.
Europa, the sixth closest moon to the planet, is far more likely to be habitable than desert-covered Mars which has been the focus of recent US exploration, they say.
It's ocean, thin shelf of ice and the presence of oxidants on Europa make it far more likely to be home to a life form than the red planet.
Read more: Daily Mail