Astronomy is weird. Everything we study is really, really far away. So far away really, that for most of history we didn’t know how far away they were. It was impossible to measure. But then some ...

I’ve been hinting for some time about a secret project I’ve been working on, and the time has finally come to announce it: I’m writing and hosting an online astronomy video series! The series will air ...

Today on Crash Course Astronomy, Phil dives into some very dark matters. Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe ...