Aviation Week has covered scores of technological triumphs over its history, but no achievement received as much prominence as the Apollo 11 moon landing.

The U.S. Air Force’s on-again, off-again affair with “operationally responsive space” concepts appears to be heating up once more.

A satellite conceived by then-Vice President Al Gore 17 years ago as a real-time whole-Earth imager, and later converted to an early warning "buoy" for solar storms, is on its way to its parking spot 1 million mi. from Earth after launch on a SpaceX Falcon 9.

The Dragon capsule splashed down under parachute, SpaceX confirmed at 7:45 p.m., EST.

Launch of a SpaceX Falcon9 with the Deep Space Climate Observatory (DSCOVR) was scrubbed 2 min. before liftoff.

The object, which the Brazilian Space Agency later identified as a spacecraft propellant tank, fell 50 meters from a house.

"While these 100 million years may seem negligible...," Italian astronomer Marco Bersanelli

Estonia spends several hundred million euros a year on space activities.