SpaceX postpones next-gen rocket launch

With less than a minute before launch Thursday, SpaceX aborted the liftoff of its new Falcon 9 Block 5 rocket, which the California-based company promises to be more powerful and easier to re-use.

SpaceX poised to launch 'world's most powerful rocket'

SpaceX is poised for the first test launch Tuesday of its Falcon Heavy, which aims to become the world's most powerful rocket in operation, capable of reaching the Moon or Mars some day.

The Space Launch System—the most powerful rocket ever built

NASA is in an awkward in-between time right now. Since the beginning of the space age, the agency has had the ability to send its astronauts into space. The first American to go to space, Alan Shepard, did a suborbital launch ...

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