Countdown to Curiosity on This Week @NASA

The most advanced robot ever sent to another world is nearing its destination, and NASA scientists and managers at a Headquarters news briefing called the Curiosity Rover mission the hardest one attempted in the history of robotic planetary exploration. Curiosity is scheduled to land on Mars in the early morning hours of August 6, Eastern. Also, J-2X Test; 'Chutes Assured; New Digs for Space Trio; Science Supporters; Space Sojourn; Enterprise Unveiled; Remembering Apollo 11; and more.