But throughout the final few hours of the countdown, SpaceX engineers were troubleshooting an apparent problem with one of two clamp arms that hold the Falcon 9 rocket to its launch support gantry.

These propulsion technologies combine improved thrust and fuel efficiency with ... a two-stage antimatter rocket would need more than 900,000 tons (815,000 metric tons) of fuel to make the journey ...

A steady line of tour buses, rental cars and media vans rolled into the Kennedy Space Center Wednesday morning, as folks from near and far prepared to watch a 230-foot rocket propel astronaut Anne ...

Although any crew launch into orbit is notable, this mission comes with an added bit of importance as its success clears the ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

Rocket with replacement crew for NASA astronauts stranded for nine months finally launches A SpaceX Falcon 9 rocket successfully lifted off from Florida on Friday with four crew on board.

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

White tendrils of smoke were the first to appear, bubbling into large spheres surrounding the rocket’s base as the thrusters ignited. The scaffolding fell away as the Falcon 9 lurched upward ...

WASHINGTON, March 14 (Reuters) - (This March 14 story has been refiled to remove the redundant 'on Sunday' in paragraph 5) NASA and SpaceX on Friday launched a long-awaited crew to the ...

Super producer Shonda Rhimes is back with her latest show, The Residence, a whodunit set in the White House ... It doesn’t take a rocket scientist to guess the plot of a show named Prison ...

Concerns over a critical hydraulic system arose less than four hours before the Falcon rocket’s planned evening liftoff from NASA’s Kennedy Space Center. As the countdown clocks ticked down ...