SpaceGoogle-sponsored race to the moon has ended without a winner None of the private space firms racing to put a rover on the moon will be ready to launch by March, so the $30 million Google Lunar X Prize will go unclaimed News
PhysicsSpace-time and gravity might be born from the quantum world To reconcile quantum mechanics and gravity, a new theory flips the usual script. Space-time and gravity may emerge from quantum effects, not the other way round News