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 ...

Get to know host Phil Plait and begin with answering a simple question: what is astronomy? Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad ...

Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come ...