Photos: New GPS navigation satellite powered from Earth

Spaceflight Now editor Stephen Clark spoke live to International Space Station astronauts Shane Kimbrough and Megan McArthur about their mission Friday.

More than six years after back-to-back failures left the Taurus rocket with an uncertain future, a redesigned version of the launcher sporting a new name is set to loft 10 small Earth-imaging satellites into orbit Tuesday from Vandenberg Air Force Base in California.

A commercial rocket under development by Firefly Aerospace will conduct its first orbital test flight in 2019 from a launch pad at Vandenberg Air Force Base in California that will become vacant with the retirement of the venerable Delta 2 booster later this year, the company announced Tuesday.