Posted by Marc Rayman on 2010/09/02 02:34 CDT
Dawn is now so far from the sun that even with its tremendous solar arrays, it does not receive enough sunlight to generate sufficient electrical power to operate all systems and still achieve maximum thrust.
Posted by Bill Nye on 2010/09/01 09:41 CDT
Nobel Prize laureates and former NASA officials have come together to express concern over the House of Representatives Science Committee's proposed budget for NASA.
Posted by Emily Lakdawalla on 2010/09/01 04:14 CDT
Getting to the real science image data: It's not that hard!