Since there are about 150 billion other galaxies in the visible cosmos, this multiplies out to 5,000,000,000,000,000,000,000 planets within the visible universe capable of supporting biological life of some form.
Go ahead, try it. Step outside tonight and glance skyward, pick any star and then visualize its own rocky, Earthy little ball orbiting around it, with some form of life potentially dancing a tango on top.
News reports on the discovery of "habitable" planets are highly misleading. What scientists define as habitable just means that conditions may exist that are adequate for life based on carbon chemistry, such as the generic type of life we have on Earth.