More than half a century ago, Sir Roger Penrose envisioned a scenario in which energy could be extracted from a black hole ...

Light can carry enormous amounts of information at extreme speeds, making photonic technologies promising for the development of faster communications, more powerful computing systems and more ...

Reflect Orbital wants to direct sunlight at night with a network of satellites.

The FCC says the most controversial aspect of Reflect Orbital's Earendil-1 satellite, the giant mirror, falls out of its ...