Astronomy Cast

Take a facts-based journey through the universe.


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13 Seasons and more than 500 episodes await.

Ep. 572: Twists in Planet Formation

Ep. 572: Twists in Planet Formation

We’re all looking forward to the next generation of exoplanetary research, where we get to see pictures of planets directly. But astronomers are already making great strides in directly observing newly forming planets, helping us understand how our Solar System might have formed.

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Ep. 571: Extreme Binaries

Ep. 571: Extreme Binaries

We’re familiar with regular binary stars. Two stars orbiting each other. Simple. Of course, the Universe has come up with every combination of things orbiting other things. And this week we look at the extreme version of this.

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Ep. 570: Discovering Comets

Ep. 570: Discovering Comets

Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more telescopes are getting found by spacecraft, automated systems and machine learning. This week, we’ll talk about how comets are discovered and how you can get your name on one.

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