Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was ...

Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

The director of the American Museum of Natural History's Hayden Planetarium and author of The Pluto Files, Neil deGrasse Tyson, talks about the... Astrophysicist Tyson On 'Pluto Files' The director of ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Members of the media garbed in protective uniforms view NASA's New Horizons spacecraft on Nov. 4 2005, at the Kennedy Space Center ...

Well, if the stars were going to do something pretty spooky, I suppose a few weeks before Halloween feels right. After five months of simmering tension, subterranean reckoning, and collective fatigue, ...

New information about Pluto's largest moon that was revealed by a NASA (National Aeronautics and Space Administration) telescope was shared publicly this week. The journal Nature Communications on ...

It's not exactly news to say that Pluto is no longer considered a planet. That made headlines almost 20 years ago. But what if I told you that decision at the time was controversial, not just among ...