Dr Gareth Collins’s (Earth Science & Engineering) research looks at what happens when the Earth is hit by two asteroids orbiting each other. (Extract 3 of 4 from the Imperial College Podcast 27 February 2013)

Head of NASA and former astronaut, Charles Bolden, explains why getting children inspired to study science is so important and addresses the question of life on other planets (Extract 2 of 4 from the Imperial College Podcast 1 August 2012)

Dave Clements speaks about his involvement in the Royal Society Summer Science Exhibition, where he enthused visitors about the Herschel Space Observatory. (Extract 3 of 5 from the Imperial College Podcast 11 July 2012)

In her inaugural lecture Professor Fay Dowker asks how can we realise the full potential of relativity and quantum theory?

Professor Sanjeev Gupta, part of the scientific team for Nasa’s next Mars mission, explains what he hopes to discover with the biggest rover yet. (Extract 2 of 4 from the Imperial College Podcast 30 May 2012)

Tom Whyntie discusses whether our clocks should be tethered to the rotation of the Earth. (Extract 3 of 5 from the Imperial College Podcast 29 February 2012)

Dr Tom Pike explains why his data cast doubt on the possibility of life having existed on the Martian surface, but Professor Mark Sephton hasn't given up the search.

Imperial physicist Professor Steve Warren talks about amazing power of Euclid to capture maps of the sky, and discusses what we can learn about dark matter and the early universe by measuring light with its deep-space camera

Imperial physicists Professor Tim Horbury and Helen O'Brien show off their prototype kit for the European Space Agency's Solar Orbiter mission and explain why it won't be possible to send a manned mission to the sun just yet

Imperial alumnus Chris Riley describes his experience producing a BBC documentary about the last space shuttle flight.