Twenty-five years ago, NASA's Voyager 2 zipped past the planet Uranus on its way to Neptune. It was the first spacecraft ever to grab a close-up look at this bizarre world. Voyager 2 made its closest approach on Jan. 24, 1986, and since then we've only been able to gaze on the "ice giant" from afar. However, Uranus might not be alone for too much longer if a group of 168 scientists from Europe and the U.S. have their way. In a proposal submitted to the European Space Agency (ESA), a mission called Uranus Pathfinder has been short listed to make the trek to the outer solar system, arrive in Uranian orbit and study the planet's unique chemistry, rings, and its moons and investigate some of the planet's most enduring mysteries. This, in turn, will aid our knowledge of solar system history and how other star systems may form. Read more