Planet-hunters set for big bounty

[Rick]

Rocky planets, possibly with conditions suitable for life, may be more common than previously thought in our galaxy, a study has found.

New evidence suggests more than half the Sun-like stars in the Milky Way could have similar planetary systems.

There may also be hundreds of undiscovered worlds in outer parts of our Solar System, astronomers believe.

More: http://news.bbc.co.uk/2/hi/science/nature/7249884.stm