Planets Found and Lost

News from the World O' Science:We may have seen our first extra-galactic planet. Micro-lensing may have shown that a star in the Andromeda Galaxy has a planet six times the size of Jupiter.The advantage of microlensing is that it works best for more distant objects, so it's ideal for planet hunting in other galaxies. In theory, it should be possible to see Earth-size objects in this way. The