Bold Claims of Alien Life

For as long as we can remember, humans have wondered if we are alone in the universe.In fact, in September 2013, a team of British scientists claimed a cell fragment found by a balloon flight in the upper atmosphere may be proof of life from space. While individuals and conspiracy theorists often come forward with new "proof" of alien visitations, even scientists have claimed to find evidence for extraterrestrial life. Here are our top five scientific claims for aliens.