And at night, there are familiar constellations, planets, the odd meteor or two, and satellites streaming overhead. These are all fun to see with your unaided eyes. But there are times when a little ...

Phil takes a look at the explosive history of our cosmic backyard. In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a ...

I am extremely pleased and excited to announce that the online video series I’m doing, Crash Course Astronomy, premieres next Thursday, Jan. 15, one week from today! The weekly series, done under the ...

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 ...