PhysicsThe secret of dark matter could be a particle the size of a planet Physicist Asimina Arvanitaki thinks big: enormous particles and a gigantic, dark-matter beacon – and knows how we might find them Features
SpaceLIGO has spotted another gravitational wave just after turning back on One week after LIGO switched back on, it has already detected the gravitational waves from another pair of merging black holes, marking the beginning of a new era of gravitational wave astronomy 51¶¯Âþ