THE fans roar into life, pumping air upwards at 260 kilometres per hour. Decked out in a baggy blue jumpsuit, red helmet and plastic goggles, Claudia de Rham steps forward into a glass chamber and… ...

Rainbow gravity posits that the geometry of spacetime depends on the energy of the probe, leading to an energy-dependent metric that modifies the standard dispersion relation at Planckian scales. This ...

Some three billion years ago, when Earth was a sprightly ocean world dotted with protocontinents and inhabited solely by single-celled organisms, a pair of black holes spiraled together and collided ...