NASA's activities in social networking media will be recognized Wednesday in New York, when the agency receives an award for its presence on the popular Web site Twitter.
After nearly a month of daily checks to determine whether Martian NASA's Phoenix Mars Lander would be able to communicate again, the agency has stopped using its Mars orbiters to hail the lander and listen for its beep.
After a picture-perfect landing, the Phoenix Mars Lander returned unprecedented views and new findings from Mars’ north polar region.
› View This VideoThe Mars Lander surpassed its original three-month mission, lasting five months in the Martian northern plains, digging up scientific "firsts" along the way.
› View This VideoAn audio recording and images from the August 5, 2008, media telecon.