Aerojet, a GenCorp (NYSE:GY) company, announced today that NASA’s MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging) spacecraft has successfully achieved the first-ever orbit ...

The propulsion system designed to carry MESSENGER through a six-year, nearly 4-billion mile trip to and around Mercury is complete, marking a major step in the NASA Discovery mission’s development.

Artist’s impression of the BepiColombo spacecraft with a view of Mercury in the background. Illustration: ESA/ATG medialab; Mercury: NASA/JPL For more than five years, a pair of spacecraft have been ...

The spacecraft is set to make a flyby of Mercury in September, and operators are still unsure of the full impact of this glitch. When you purchase through links on our site, we may earn an affiliate ...