Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...

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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune—the complete list of planets in our Solar System. And no, that list is not missing Pluto. As much as many of us empathize with and care ...

For many people, the definition of a planet was only made clear in 2006, when the spunky world Pluto was demoted from a planet to a dwarf planet. Now, a team of astronomers is pushing for “planet” ...

On January 17, 2006 the New Horizons mission will launch for Pluto, the last unexplored planet of the solar system — or is it? Some scientists now claim that Pluto does not deserve its planetary ...

President Donald Trump may be one step closer to making Pluto great again. NASA Administrator Jared Isaacman endorsed the idea of Trump making Pluto a planet again in an exclusive interview with the ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence of ...

Arizona has a new state emblem — and it's one that has been a source of controversy among scientists for years. Gov. Katie Hobbs signed a bill on Friday designating Pluto — once considered the ninth ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have found a distant celestial body — ...

President Donald Trump may be one step closer to making Pluto great again. NASA Administrator Jared Isaacson endorsed the idea of Trump making Pluto a planet again in an exclusive interview with the ...