The search for the Titan in the North Atlantic continues. When adventure travel goes wrong, who pays the price, and who's forced to take big risks mounting a rescue?
The space plane provided great views and a few minutes of weightlessness. Virgin Galactic says it hopes to begin regular flights in June.
New space companies are touting space tourism. But so far the final frontier has been the playground of the rich or famous, plus a few everyday folks who had a bit of luck.