Video: Antares rocket returns to flight with new engines

Arianespace’s third Ariane 5 launch of the year was set liftoff Friday from Kourou, French Guiana, but an issue with a sensor on the rocket’s first stage liquid hydrogen tank caused officials to scrub the launch attempt. The Ariane 5 is poised to carry three U.S.-built commercial satellites into orbit, while testing a few rocket upgrades, including a modified fairing needed for the launch of the James Webb Space Telescope next year.

Rocket Lab’s privately-developed Electron launcher soared into orbit from New Zealand on Saturday, U.S. time, a success that puts the company’s founder said will hasten dedicated, frequent and affordable rides to space for small satellites.

The Orbital ATK Pegasus XL rocket is released from L-1011 carrier jet off the central Florida coastline at 8:37 a.m. EST (1337 GMT) and ignites to power eight microsats to space for NASA’s CYGNSS hurricane research project.