Live coverage: Irma knocks out power at Kennedy Space Center

Europe’s new Aeolus winds observatory blasted off at 2120 GMT (5:20 p.m. EDT) Wednesday aboard a solid-fueled Vega rocket from French Guiana, kicking off a three-year mission to chart the motion of Earth’s atmosphere.

NASA’s OSIRIS-REx spacecraft made a touch and go landing on asteroid Bennu at 6:12 p.m. EDT (2212 GMT) Tuesday. The craft aimed to collect samples from the asteroid’s gravely surface for return to Earth in 2023 for scientists to search for clues about the origins and evolution of the solar system.

In one of its final preflight tests, a SpaceX Falcon 9 rocket ignited at pad 39A in Florida for several seconds Thursday, ramping up to full throttle in an end-to-end checkout of the booster before liftoff next week on a space station resupply flight.