ESA is planning to outfit the 30-satellite constellation with the same atomic clocks, despite the issues.

In this week’s Washington Outlook: why industry experience in government helps the Pentagon get a better deal; McCain’s plans to spend big on the military; a burgeoning space rivalry; and the ongoing attempt to block the sale of aircraft to Iran Air.

With its far-aim still set squarely on Mars, Elon Musk’s space company is happy for now to be resuming satellite launches and return landings.

The death of Eugene Cernan, commander of Apollo 17 and the last human to stand on the lunar surface, has prompted a global reaction.

Breakthrough’s Starshot plan is looking for exoplanets in the “Goldlocks Zone” of the Alpha Centauri binary system that might support life.

U.S. companies will draw on their experience building scientific and commercial communications spacecraft to develop probes that will explore remnants of the early Solar System.

Tom and Jerry are more than an old-school cartoon, they are now an important cubesat experiment.

DARPA sees government and private-sector agreement on standards for rendezvous and proximity operations as essential to development of a successful commercial on-orbit robotic satellite repair service.