OGLE-2005-BLG-390Lb
Nature.com news clip
J.-P. Beaulieu et al., Discovery of a cool planet of 5.5 Earth masses through gravitational microlensing, Nature, Vol. 439, pp. 437–440 (26 January 2006) (subscription)
Pre-print of the Nature paper (open access)
Space.com article
PLANET collaboration
RoboNet project
OGLE collaboration
MOA collaboration
ESO press release
BBC News