Moon dust may not be as harmful to humans as had been thought, with a new experiment showing that the typical air pollution ...

Donald Trump is plunging the country, and the world, from one crisis to the next, and his cabinet, which was chosen for ...

Is it a green aurora with pink stripes, or a white aurora with green stripes? That, apparently, became the question on the International Space Station, at least for Expedition 73 flight engineer and ...