Rosat satellite crashes in Southeast Asia

German satellite Rosat crashed to Earth Saturday evening, with no reports as yet of any wreckage hitting land.

Direct steam solar thermal plant fires up

Late last month a new type of solar thermal power plant was inaugurated in Carboneras, Spain. 

Contrails warm world more than CO2 emissions

Aircraft contrails do more to warm the planet than their exhaust fumes, a new study has found.