Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system Shi En Kim - Reporter A color-enhanced photo of Pluto that was captured by the New Horizons ...

Discovered in 1930, Pluto is a complex and mysterious world with mountains, valleys, plains, craters, and glaciers. Here are ...

Dwarf planets and moons, illustration. A dwarf planet is a planetary mass object orbiting the Sun that is not a true planet. They are massive enough for their self-gravities to crush them into spheres ...

Poor Pluto. On August 24, 2006 at the International Astronomy Union (IAU) General Assembly the ninth planet was scrubbed only 76 years after its discovery. Even weirder is that it actually got voted ...

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 ...

Everything you know about Pluto is probably wrong. Just ask a kid. Kids are much more up-to-date with knowledge about space and dinosaurs and other cool stuff we grown-ups haven’t read about in … well ...

In this except from "Space Camp," a special series from NPR science podcast Short Wave, host Regina Barber delves into Pluto's demotion from planet to dwarf planet. It's not exactly news to say that ...

To be or not to be ... a planet? That's not really the big question anymore, no matter how you feel about Pluto's so-called demotion. The truly big question, addressed in two books that look at ...

Researchers simulate how an ancient impact left a pear-shaped dent on Pluto. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When NASA’s New ...