Why isn’t Pluto a planet anymore?

There’s more to sloths than slowness. They’re great at saving energy, hanging upside down, and swimming! In this episode, Sloth Appreciation Society founder Lucy Cooke stops by to tell us all about these amazing animals. We also get into a sloth mystery: The Case of the Perilous ...  Show more

Have you ever heard of Lake Natron? It’s located in Tanzania, Africa, and, if you believe the internet, it can instantly petrify anything that touches it. Lucky for us, we have a direct line to the Hoax Hunters (aka Sanden and Marc) - they love myths, and they hate getting tricke ...  Show more

Est-ce que c’est vrai que Pluton n’est pas une planète ?
Le débat est régulièrement relancé, mais où en sommes-nous ? Pluton reste bel et bien une planète de notre Système solaire ou pas ? Vous le saurez dans ce nouvel épisode de Science ou Fiction.

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Why did Pluto suddenly became a dwarf planet? Why did they change it in 2006, and who defined what makes a planet and what doesn't? Why did we get so excited about new photos of Pluto a few years ago?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive communit ...  Show more

Pluto may not be a planet, but it definitely exists. Not every case is so clear. The history of near-Earth astronomy contains many cases of bodies that may or may not have ever existed in the solar system we call home. In this episode of Stuff to Blow Your Mind, Robert Lamb and J ...  Show more

The discovery of seven new planets that could contain life has kids and adults pretty excited. We can't get to these planets yet but we do have tools to explore planets closer to home. In this episode, St. Michael's College astronomy professor John O'Meara answers how the Mars ...