Seven small planets whose surfaces could harbour liquid water have been spotted around a nearby dwarf star. If such a configuration is common in planetary systems, our Galaxy could be teeming with Earth-like planets.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/earths-seven-sisters
[2] http://admin.indiaenvironmentportal.org.in/category/author/ignas-g-snellen
[3] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/physical-science
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/astronomy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/planets