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 ...

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