Following a critical design review in June that found several components need additional work, the program is tentatively targeting an April delivery of the ESM to NASA.

Space exploration is likely to be lost in the “fear and loathing” that will attend the two U.S. political conventions upcoming this month. That is a shame, because the opportunities—and pitfalls —looming in the spaceflight endeavor this year cry out for a well-reasoned, coherent U.S. policy.

If the U.S. opts to disaggregate its future Advanced Extremely High Frequency satellites, the decision could allow allies to create a unified satcom system by 2025.

Boeing Chairman, President and CEO Dennis Muilenburg sat down with Aviation Week before the Farnborough Airshow to discuss the 737 MAX family, KC-46A tanker, supplier issues and much more.

Goldfein also offers to consult A-10 operators | NASA inspector general praises agency for saving money on SpaceX launches.

Long March 7 can loft a 13.5-metric-ton payload to low Earth orbit, making it the most powerful Chinese rocket so far and close to the SpaceX Falcon 9 in capability.

NASA’s Curiosity rover detected the unexpected mineral while sampling during its methodical climb of Mount Sharp.

NASA is ready to help Elon Musk land a Dragon capsule on Mars, and is taking a wait-and-see approach to sending its own expensive instruments along.