SpaceThe rocket Elon Musk wants to send to Mars is almost ready to launch Elon Musk's giant Starship rocket is due to take passengers on a trip around the moon in 2020. Last night, he said orbital tests will begin within two months 51¶¯Âþ
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