SpaceAstronomers have found the most distant black hole ever confirmed The most distant supermassive black hole confirmed is more than 31 billion light years away, and it could be the key to figuring out how these behemoths grew so big so fast News
PhysicsIs space-time quantum? Six ways to unpick the fabric of the universe One of the biggest questions in physics asks whether space-time is classical or quantum in nature. From slow neutrinos to quantum foam, these experiments are hoping to finally answer it Features