A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why ...

Dr Charles Buhler has been the lead NASA scientist on Electrostatics. An experiment last month was sent to the moon and showed success against a decades long problem of lunar dust. Buhler believes his ...

The original version of this story appeared in Quanta Magazine. Imagine, for a moment, that you’re a honeybee. In many ways, your world is small. Your four delicate wings, each less than a centimeter ...