Mars
NASA chief scientist
30 Aug 2014
Dr. Ellen Stofan is the chief scientist at NASA. We speak to her about the prospects of life on Mars, and what it is about studying space that gets her most excited. Audio
India: Jackfruit and Mars mission
24 May 2014
Anu Anand lives in India where the jackfruit's being heralded as the way to fight world hunger. Also the country's low budget space mission to Mars puts other efforts to shame. Audio
Feature: Dr Charles Elachi - Exploring the Unknown
24 Mar 2014
NASA space explorer Dr Charles Elachi, who led the recent mission to Mars with a rover called Curiosity. Audio