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.

You can see the frustrating relationship in the rocket equation. This ratio is the limiting factor. It's the mass of the rockets fully fueled over the mass of it when it was empty. During the ...

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 ...

After hours: March 14 at 7:53:01 PM EDT Loading Chart for RCKT ...