Space station astronauts spend 25 percent of their research time fixing or maintaining the gear they need to perform scientific research.
The European version of Russia's Soyuz rocket will not make its inaugural flight until the spring of 2011.
Ground controllers are raising the orbit of Europe's GOCE gravity-measuring satellite in an attempt to recover its failed data-transmission function.
The huge European satellite Envisat is possible the most dangerous piece of space debris circling the Earth for the next 150 years, experts say.
The United States will now consider proposals to prevent an arms race in space, according to the new U.S. space policy.
Satellite firm Avanti Communications raised $68 million in cash to switch from SpaceX's Falcon 9 rocket for boosters from Europe or Russia.
A European probe is bearing down on Saturn's mysterious moon Titan, set for a Friday rendezvous that will transfix researchers on two continents.