In the quantum world, observing a particle is not a passive act. If you shine light on a quantum object to measure its position, photons scatter off it and disturb its motion. This disturbance is ...

Using a set of ground-based radio telescopes, an international team of astronomers has observed a slowly-spinning pulsar ...

Ed Stewart went blind after being shot, but a new - albeit risky operation - offered hope. Why do we laugh? We may not all find the same things funny but all cultures in the world laugh. Hidden on ...