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 ...

Samantha Lawler does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The International Astronomical Union (IAU) defined a dwarf planet in 2006 as a celestial body that orbits the Sun, is round in shape, but has not cleared its orbital neighborhood of objects of ...

This story is part of Short Wave's series Space Camp about all the weird, wonderful things happening in the universe. Check out the rest of the series. If you were born in the last century you might ...

“Pluto, whether it’s a planet or not, is always going to be welcome at Griffith Observatory,” he said. In fact, Pluto has proved over the seven decades since its discovery to be one of the most ...

You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast. You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast. The surprisingly ...

Aug. 24, aka #PlutoDemotedDay, is when Pluto became a dwarf planet. For 76 years — from its discovery in 1930 until 2006 — Pluto was considered a planet. Countless school children learned their nine ...

What if there were only six dwarfs? What if there were only two little pigs? What if Blitzen were dropped, by executive decree, from Santa's team? You'd expect kids all over America to howl. Much as ...

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet ...

Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size to Pluto. So, during the summer of 2006, members of the International ...