The future of space exploration | Best New Ideas in Money

When will we land on Mars, and how soon are we going back to the Moon? Mike Massimino, a former astronaut, talks about some of the big new ideas in space.

MarketWatch provides the latest stock market, financial and business news. Get stock market quotes, personal finance advice, company news and more:

Subscribe to MarketWatch:
Follow MarketWatch on Facebook:
Follow MarketWatch on Twitter:
Follow MarketWatch on Instagram:
Follow MarketWatch on LinkedIn: