SpaceLIGO could catch dark matter made of black holesThe black holes that kicked off the first detection of gravitational waves seem to be the right size and frequency to be long-sought primordial black holesNews
EarthChina set to surpass its climate targets as renewables soar Wind and solar energy surged in China in 2015 to record levels, helping the country to pivot away from coal, which still provides two-thirds of its power News