PhysicsPhysicists have created a new and extremely rare kind of uranium A team of physicists in China has produced the lightest uranium atom ever, which is more than 10 per cent smaller than the most common type of uranium News
SpaceWe may have to rewrite our understanding of gravity There is a mismatch between two ways of measuring galactic mass. Dark matter is one way to solve it, but so is rewriting the laws of gravity, says Chanda Prescod-Weinstein Comment