PhysicsBall lightning is so strange it might just come from another dimension Mysterious floating orbs of light have puzzled scientists for centuries, inspiring no end of creative explanations. A new idea suggests they aren't entirely of this world Features
PhysicsScience with Sam: Is our reality just one part of a multiverse?The multiverse is one of the weirdest ideas in science – but it might just be real. Find out how in the second episode of our new video series, Science with SamVideo