'Marsquake' monitor due to fly to Mars in Nasa mission

A tool to measure seismic activity on Mars, or "Marsquakes", is due to be launched into space.

It will be used on Nasa's upcoming mission to Mars, which launches from California on 5 May.

Tom Pike, from Imperial College London, says the sensitive tool will assist scientists in finding out whether there are plate tectonics, which cause earthquakes, on Mars.