http://news.bbc.co.uk/2/hi/science/nature/7432114.stm
Astronomers found the new world using a technique called gravitational microlensing. This takes advantage of the fact that light is bent as the rays pass close to a massive object, like a star.
The planet, called MOA-2007-BLG-192Lb, is about 3.3 times the size of Earth. Some researchers have suggested the planet could have a thick atmosphere and have even speculated there could be a liquid ocean on its surface...
MOA-2007-BLG-192Lb was found with the new MOA-II telescope at New Zealand's Mount John Observatory...
http://www.phys.canterbury.ac.nz/moa/index.html
