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.

Commercial launch providers continue to advance propulsion technology with a renewed focus on liquid oxygen and methane ...

After an unprecedented streak of 267 successful landings, SpaceX's Falcon 9 rocket booster dramatically exploded on a drone ship after completing its 23rd mission. Discover what went wrong and what it ...

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

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 ...

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

Rocket launch maps look lopsided for a reason. NASA's sites are near the coasts, and the geography behind that choice is more ...