MILAN — NASA and China will need to discuss exchanges of data and mission plans as the two sides move to build sustainable presences on the moon, according to the NASA administrator. NASA chief ...

After a six-year, 1.8 billion-mile journey, Europa Clipper - the largest planetary science mission ever launched by NASA - will spend four years orbiting Jupiter making flybys of its icy moon.

In five years, CAPSTONE has gone from a bright idea by a small business to a mission that continues well past its expected end date.' NASA's CAPSTONE mini-spacecraft recently marked its 100th trip ...