SpaceExclusive: Rocket test in Alaska polluted 230 tonnes of soil Aerospace firm Astra Space flew two rockets tests last year - both malfunctioned, contaminating 230 tonnes of soil and damaging spaceport buildings News
SpaceEinstein’s black holes are not the black holes we see in reality We’re only just grasping how cosmic black holes and Einstein’s theories relate – and that deepens our sense of wonder, says Chanda Prescod-Weinstein Comment