New US satellite to monitor debris in Earth orbit

(AP) -- A new U.S. Air Force satellite will provide the first full-time, space-based surveillance of hundreds of satellites and thousands of pieces of debris that could crash into American and allied assets circling the ...

New generation GPS satellite starts tests in Colo.

A $5.5 billion upgrade to the Global Positioning System moved a step closer to launch this week when a prototype arrived at a Lockheed Martin complex in Colorado to begin months of tests.

Elon Musk's SpaceX drops lawsuit against Air Force

A spacecraft company run by billionaire Elon Musk has dropped a lawsuit alleging the U.S. Air Force improperly awarded a contract to launch military satellites to a joint venture between Boeing and Lockheed Martin.

Air Force, SpaceX mum about sky-high rocket costs

Five years ago, Elon Musk, the multibillionaire CEO of the SpaceX rocket company, smashed his way into the business of launching U.S. military and intelligence satellites, a lucrative market that had been cornered for nearly ...

ESA experts assess risk from exploded satellite

After studying the recent explosive break-up of a US satellite, ESA space debris experts have concluded this event does not increase the collision risk to nearby ESA missions in any meaningful way.

Looking from space for nuclear detonations

Sandia National Laboratories' Jaime Gomez was too busy to celebrate the successful launch of the latest nuclear detonation detection system—he was already deep into the next generation.

SpaceX postpones first satellite launch

Private US company SpaceX postponed the launch of a rocket carrying its first telecommunications satellite on Thursday after two unsuccessful attempts at take-off.

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