PhysicsTime crystals: A new state of matter that outlasts the universe A bizarre oscillating material that seems to run on a never-ending loop has apparently been made in the lab, bending the cast-iron laws of thermodynamics Features
SpaceHave black holes hurled half the universe into the wilderness?Billions of years ago, half the universe’s visible matter disappeared. The monstrous culprit might have been unmasked – and with it, the future of our galaxyFeatures