I was a guest on The Guardian's science weekly podcast today, talking to Alok Jha about the NASA and ESA agreement to collaborate on the Orion space missions. Previously these had been exclusively NASA missions, designed to send American astronauts to deep space.

Now, however, ESA are providing hardware for at least the first mission or two, meaning that this is now an international endeavour.

The interview is a follow-up to my article on how NASA and ESA are planning to collaborate on the Orion missions to deep space. It was published on 16 January and can be read here.

You can listen to the podcast here.  As well as my Orion discussion, there is also an interesting discussion about the Higgs boson.