We know there’s dark matter, and there are galaxies, but are there galaxies entirely made up of dark matter? Astronomer Sarah Pearson joins Fraser to talk about what’s out there.

We know there’s dark matter, and there are galaxies, but are there galaxies entirely made up of dark matter? Astronomer Sarah Pearson joins Fraser to talk about what’s out there.
We know we live in a cosmic shooting gallery. Who’s got their eyes on the sky, and how will we prevent an asteroid strike if we find a dangerous space rock?
Are human the first civilization? Could there have been an advanced civilization that walked the Earth millions or even billions of years ago?
Humans are believed to be the most technologically advanced civilization that’s ever set foot on Earth, or really anywhere in the Solar System. But are we the first?
One of the most beautiful and scientifically interesting objects in space are the globular clusters, containing hundreds of thousands of stars. What are they and where did they come from?
You know what’s scarier than a supernova? A supernova that fails, imploding into a black hole, vanishing from the Universe.