Do you think we're alone in the universe? Could there be other life out there?

And, whether there is or isn't, how does life come to be, anyway?

(Is this sounding a little like your mate on a camping trip getting a bit too deep while looking up at all those stars?)

Well, this time we're hearing from someone who's trying to unpick the origins of life — here on Earth, and maybe other places too.

We've got a bunch of live shows coming up! You can find more details here.