Summary: The tally of exoplanets has soared to 1,010 listed in the Extrasolar Planets Encyclopaedia. Out of all these, 12 have the potential to be habitable. This listing, though, is a little less reliable because not all of these planet discoveries have been peer-reviewed. NASA only counts those that have been published in an academic journal and thus their tally is currently at 919. Not to mention there is not a solid definition of what a planet is so some could be artefacts or low-mass stars like other candidates before them.
BBC News
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