Check Out Crash Course Astronomy, A New YouTube Series From Phil Plait

Throughout the year, as Earth progresses through its orbit around the sun, one can witness stars in the night sky rise and set at different times. It's an example of an astronomical cycle visible to the naked eye, and the first of three subjects in Episode 3 of Crash Course Astronomy, a new series by Bad Astronomy's… » 1/30/15 8:00pm 1/30/15 8:00pm

Why would aliens come all this way just to invade Earth?

In movies, when aliens invade our planet, they usually have a ludicrous motivation. Like, they're after our water. Or our gold. (Hint: Asteroids have gold.) Space travel is incredibly difficult and expensive — so why would aliens actually bother to come and invade us? We asked some experts for reasons that actually… » 5/02/13 1:30pm 5/02/13 1:30pm

How Actual Science Can Make Science Fiction Stories Cooler

How do the minds behind Battlestar Galactica, Prometheus, X-Men: First Class, and Torchwood go about juggling science fact and science fiction, to tell a believable story? Bad Astronomy's Phil Plait hosted a panel at San Diego Comic-Con yesterday to discuss this issue, along with the making and breaking canon in… » 7/13/12 8:40am 7/13/12 8:40am

The Most Beautiful Video of the Moon We've Seen in Ages

Unless you're an astronaut, we're willing to bet that you have never seen the Moon depicted as stunningly as it is here. For close to three years now, NASA's Lunar Reconnaissance Orbiter has been snapping high resolution photos of the Moon's surface. Now, the Goddard Visualization Studio has used those images to… » 3/02/12 3:23pm 3/02/12 3:23pm

Science Bloopers (and Successes) from Battlestar Galactica

At the awesome panel called "The Science Behind Science Fiction," Phil "Bad Astronomer" Plait was joined by Kevin Grazier, a rocket scientist and science adviser for Battlestar Galactica and Eureka. Grazier said that sometimes the actors on the shows are as rabid about getting the science right as he is: James… » 7/24/08 7:54pm 7/24/08 7:54pm