We know there's matter, and we know there's anti-matter. If there's dark matter, is there an anti-dark matter? How come…
What a week! Astronomers announced the discovery of an Earth-sized planet orbiting the nearby star Gliese 581. We talk about…
Buying your first telescope can be a nerve-wracking experience filled with buyer's remorse. This week we discuss the basics of…
Trillions of neutrinos are produced in our Sun through its nuclear reactions. These particles stream out at nearly the speed…
We get questions every week about string theory and topics popularized by science fiction. Here's the problem. There's just no…
It's Spring in the Northern Hemisphere, and that means the Sun is back. But it's more than just a free…
This week we're talking about asteroids. And not just any asteroids, but Near Earth Objects. How do astronomers find these…
The questions are piling up, so it's time to get through them. We've got a great collection this week. How…
This week we continue the story of galaxy formation, learning how groups of galaxies come together to form the biggest…
Our Milky Way is a complex and majestic barred spiral galaxy. But 13.7 billion years ago it began, like all…