The first private company offering regular trips to the lunar surface plans to start flights in 2020, shuttling people two at a time on exploratory missions. (newscientist.com)
Such caution is justified — the presence (or absence) of Europa's plumes could profoundly alter the future of interplanetary exploration, redirecting billions of dollars in funding toward new exploratory missions. (scientificamerican.com)
In Stuart Clark's article on the possibility of sending exploratory missions to Mars's moon, Phobos, Scott Maxwell suggests that he... (newscientist.com)