BEIJING -- The Shenzhou XXI crew members aboard China's Tiangong space station have made significant strides in terms of space medical experiments and physical science research over the past week, ...

Researchers have produced nearly pure hexagonal diamond, a material long theorized to be harder than conventional diamond, by ...

China’s Chang’e-6 mission has returned nearly two kilograms of rock and soil from the moon’s far side, and the laboratory results are forcing scientists to rethink how the moon formed and evolved.