Now, reaching out to anybody else out there is another matter. The galaxy alone is huge and we are small. Our spacecraft to date are slow ... it took Voyager decades to reach the outer limits of our own solar system. If we want to get out there and check for ourselves, we've got a lot of technological growth to do.
For more, see: http://phl.upr.edu/press-releases/100millionplanetsinourgalaxymayharborcomplexlife and http://www.universetoday.com/112265/there-might-be-100-million-planets-in-the-galaxy-with-complex-life/