PhysicsAxions may or may not exist - but we're not just making things upEverything theoretical physicists do is speculative, and likely wrong, except for the things we get right, says Chanda Prescod-WeinsteinComment
PhysicsWhat would happen if you got sucked into a black hole? From wormhole passages to white hole escape routes, no one knows for certain what lurks beyond a black hole’s event horizon – so choose your own unsettling fate Features