https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. It is a road trip that could test the best of marriages: Mars. https://phys.org/news/2013-02-tycoon-couple-mars.html Space Exploration Wed, 27 Feb 2013 13:11:49 EST news281193103