A unique thermosolar power station in southern Spain can shrug off cloudy days: energy stored when the sun shines lets it produce electricity even during the night.
German power company RWE is shutting six domestic plants and rival E.ON is threatening to relocate to Turkey as the sector tots up the cost of the government's energy policy turnaround.
The Obama administration has approved a thousand-megawatt solar project on federal land in southern California, the largest solar project ever planned on U.S. public lands.
Canada has scooped a top prize for environmental protection awarded by the Austrian foundation Energy Globe for a community project that uses solar-powered heating to warm local houses.
At 18.5 billion kilometres from Earth, the Voyager 1 space probe is the most distant human-made object ever to leave our planet.