The concept, also depicted in a Star Trek episode, would fill Earth's orbit with satellites to harness energy from the Sun and block out solar rays to help cool the climate.

Satellite maker Terran Orbital Corp. says it expects to have a role in President Donald Trump’s proposed Golden Dome project, which is designed to protect the U.S. against incoming hostile missiles.

Plumes of smoke drifted up from a fire steadily taking over a 30-acre prairie at Cedar Creek Ecosystem Science Reserve, north of the Twin Cities. Amid the haze, five black drones zipped around.