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

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

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

Firefly Aerospace's launch success rate is low, with recent mission failures weighing on investor sentiment. Check out why ...

Firefly Aerospace's Alpha rocket launch from the Vandenberg Space Force Base has been delayed again due to technical issues.

Following delays the past two days, the Firefly Aerospace Alpha rocket lifted off at Vandenberg Space Force Base on Wednesday ...

Add Yahoo as a preferred source to see more of our stories on Google. Californians are likely used to seeing SpaceX's Falcon 9 thundering into the sky and soaring overhead, but another rocket is soon ...