630 feet below the Earth in China, an ancient forest blooms at the bottom of a sinkhole

"Several hours after undock, Progress 79P re-entered Earth’s atmosphere and burned up. Pics by me from two of @Space_Station ’s External High Def Cameras"

China will soon have a lunar observatory that will form part of a radio telescope covering an area 30 times the size of the Earth, according to scientists. It will be the largest facility ever created for astronomical observation

Scientists show that at least 44 percent of Earth's land requires conservation to safeguard biodiversity and ecosystem services