NASA engineers and their industry partners are preparing to test two 20-meter (66-feet) long solar sail propulsion system designs -- a critical milestone in development of a unique propulsion ...

NASA released an image taken on Mars of a crater that looks like an alien head. The name that the agency chose for the image was "Chryse Alien Head." If this was any other agency it could be taken as ...

NASA sent Congress a revised spending plan for 2005 that would significantly cut the Project Prometheus nuclear power and propulsion program, cancel a host of international space station-based ...

According to Isakowitz, in crafting this new budget – one designed to refocus the agency on an exploration footing, great pains were taken to avoid creating a situation where a “balloon payment” would ...