Yesterday, NASA for the first time successfully ejected a nanosatellite from a free-flying microsatellite, marking a big step forward for efforts to clear space junk using solar sails.
The first demonstration flight of SpaceX's Falcon 9 commercial spacecraft for NASA's Commercial Orbital Transportation Services program has been postponed.
ESA scientists reckon they've explained a mysterious high-altitude layer of sulphur dioxide discovered by Venus Express - and it provides a stark warning for geoengineers suggesting seeding Earth's atmosphere with sulphur droplets to combat climate change.
The Cassini-Huygens mission has identified an oxygen-carbon dioxide atmosphere around Saturn's second-biggest moon, Rhea - the first time a spacecraft has captured an oxygen atmosphere from a world other than Earth.
Russian space contractor RSC Energia has confirmed plans for the design of advanced space modules that will be powered by nuclear-based propulsion systems.
The last flight for space shuttle Discovery is looking increasingly likely to be pushed back to next year, as engineers battle to carry out a series of repairs.
The European Space Agency has decided to give a new lease of life to 11 of its operating space science missions. All are coming to the end of their funding - but still delivering important scientific results.