Now that we've finished our tour of the planets, we're headed back to the asteroid belt. Now that we've finished our tour of the planets, we're headed back to the asteroid belt. Asteroids are chunks ...

Phil gives the course a send off with a look at some of his favorite topics. Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a send off with a look at ...

I’ll be honest with you, folks: I’ve been anticipating this moment with some trepidation. I’ve always been fascinated with big explosions, doomsday stuff, apocalyptic scenarios. It’s one of the ...

I was pleased with that. After all, it’s true! But if you want details, well then, you’ll just have to watch Episode 44 of Crash Course Astronomy: A Brief History of the Universe. These topics—the Big ...

Against all odds, this new show is going to make you love physics. After the Green brothers ended their much-beloved Crash Course Astronomy series in January, fans wondered what subject the duo would ...

Astronomy isn’t just for “Big Bang Theory” enthusiasts. But unfortunately, so many of us take for granted the endless swath of protection and ever-changing colors and shapes over our heads, until ...