The most noteworthy event this week is Pluto moving into the fixed air sign of Aquarius on November 19. This heralds a new era as Pluto is a slow-moving planet, and it will stay in Aquarius until 2044 ...

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

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 ...

Discover how a rare "kiss and capture" impact gave rise to the Pluto-Charon binary system, shedding new light on the evolution and motion of icy worlds in the outer solar system. (CREDIT: NASA) ...

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 ...

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 ...

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 ...