SpaceDark energy survives neutron star crash test while rivals fail We saw gravitational waves and light at the same moment from a neutron star merger, which means Einstein was right and some alternative theories are dead News
PhysicsHow dark matter lost its shine for me Once an advocate of dark matter, Stacy McGaugh would happily do away with it. But, he says, his friend Vera Rubin – the "queen of dark matter" – didn't hold it against him Features