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 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