SpaceX's huge Super Heavy-Starship rocket, the most powerful ever built, blasted off on its third test flight Thursday morning, successfully boosting the unpiloted upper stage into space. While ...

The rocket and spacecraft lifted off the launchpad at 8 a.m. ET, with the Super Heavy booster igniting all 33 of its Raptor engines.

The uncrewed Starship and Super Heavy Rocket blasted off from SpaceX’s Starbase facility near Boca, Chica, Texas at 8:03 a.m ET.

The Super Heavy rocket booster is caught midair at the SpaceX launchpad near Brownsville, Texas, on October 13 during the Starship's successful fifth test flight. Sergio Flores/AFP/Getty Images ...

Similar sonic booms are expected to ring out each time SpaceX returns a Super Heavy booster back to its Starbase launch site, which lies near Brownsville, Texas, on the Mexican border at the state’s ...

The 30-foot-wide Super Heavy first stage, loaded with 6.8 million pounds of liquid oxygen and methane propellants, stands 230 feet tall and is powered by 33 SpaceX-designed Raptor engines ...

The Super Heavy rocket booster is caught midair at the SpaceX launchpad near Brownsville, Texas, on October 13 during the Starship's successful fifth test flight.© Sergio Flores/AFP/Getty Images ...

The rocket and spacecraft lifted off the launchpad at 8 a.m. ET, with the Super Heavy booster igniting all 33 of its Raptor engines.