BBC News Hangout: Why would you want to live on Mars?
A group of space enthusiasts have spoken to the BBC about space exploration and why it might be worth living on Mars.
Dutch organisation, Mars One, wants to send a group of people to the planet in a bid to build a community of settlers there.
The BBC's Science Editor, David Shukman, took part in a BBC News Google Hangout.
Contributors from as far afield as Arizona, Paris and Mumbai shared their thoughts on a plan for an outpost where people would live - and die - beyond Earth.
- From the section Science & Environment