We talk to Dr. Alan Stern, the leader of NASA’s mission to Pluto – New Horizons.

Baking can seem kind of magical.

OMG, this is the episode you’ve been waiting for… an all-out, wall-to-wall, super-duper Mystery Sound show.

In this episode we hear from astronomer Laura Danly about the search for life on other planets.

Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.

Find out how it’s done and how it’s evolved – from blowing glass by hand to a factory that makes hundreds of glass bottles every minute.

Sir Isaac Newton drops by and drops some knowledge. He helps explain why the tides ebb and flow.

X-rays, part of the electromagnetic spectrum, help doctors see our bones — but they also help scientists understand the very smallest particles and the most massive black holes.

Fire and lasers are both super cool — but which is COOLER?

What if the color that you call blue and the color I call blue don’t look the same at all?

Homemade slime is sticky, gooey and all the rage, but what is it?

In this episode, we’re answering a question from listener Katelynn: “Why is car exhaust bad for the planet?”