Hello v:

We're discovering new planets all the time now. I can't keep up.

excon

The number of planets so far observed that orbit other stars is almost 500 - see this earlier post on the subject:
https://www.askmehelpdesk.com/astronomy/how-many-planets-space-487214.html

Is this the one?:
New planet may be habitable - SmartPlanet (http://www.smartplanet.com/technology/blog/thinking-tech/new-planet-may-be-habitable/5371/)

Is this the one?:
New planet may be habitable - SmartPlanet (http://www.smartplanet.com/technology/blog/thinking-tech/new-planet-may-be-habitable/5371/)

Actually the announcement of the discovery of this planet came after the OP's posting. Which just goes to show that additional extra-solar planets are being discovered all the time.

May have been discovered earlier, but announced later?:
Water World Around Gliese 581? (http://www.centauri-dreams.org/?p=7397)