The latest satellite for the European Commission's Copernicus environmental programme has left France bound for the Plesetsk launch site in Russia and launch late next month.
Our Milky Way galaxy produces on average a few new stars every year across the entire system. Massive young stars emit large amounts of ultraviolet radiation which heats the local dust, and so the star formation process results ...
ESA plans to track the health of the world's vegetation by detecting and measuring the faint glow that plants give off as they convert sunlight and the atmosphere's carbon dioxide into energy.
Named after Isaac Newton's text Naturalis Principia Mathematica, ESA's Principia mission will be the eighth long-duration mission to the International Space Station.