For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined ...

The South Korean startup Innospace failed during its first orbital launch attempt, which sent five satellites aloft on Dec. 22 from Brazil.

Texas-based Firefly Aerospace is planning to launch its Alpha rocket on its first spaceflight from Vandenberg since April ...

A rocket built by Japanese startup Space One exploded about a minute after liftoff on Thursday, ending its third attempt to launch a fully commercial satellite mission. The Kairos rocket was carrying ...

Texas-based Firefly Aerospace has successfully launched its Alpha small launch vehicle into orbit following two failed attempts last year, including an explosion during pre-flight checks. This will be ...

Firefly Aerospace leaders told SXSW attendees about the Alpha rocket's return to flight and the company's plans for new ...

New images have been released from NASA of the rocket Antares, which exploded last year. The rocket exploded 15 seconds after launch. Spaceflight now says two different investigations into the ...

Firefly Aerospace's Alpha rocket launch, dubbed "Stairway to Seven," has been cancelled. The launch was scheduled for Monday ...

Firefly Aerospace's Alpha rocket is projected to be widely visible across the West Coast when it launches today from the ...

A Firefly Aerospace rocket launch from Vandenberg Space Force Base today may be visible across the West Coast, including Arizona.