SpaceDolphins greet astronauts after SpaceX Dragon capsule splashdown Astronauts Suni Williams and Butch Wilmore returned to Earth after nine months on board the International Space Station News
PhysicsWhy exactly is the quantum world so weird? We can describe the quantum realm using straightforward mathematics – but once we try to translate these ideas into the real world, things get weird. Our quantum columnist Karmela Padavic-Callaghan explains why Comment