SpaceX believes it has gotten to the core of what caused the Falcon 9 explosion on September 9, 2016, that sent the rocket and the $200 million Facebook satellite it was carrying up in a fiery blaze.

Add Yahoo as a preferred source to see more of our stories on Google. Elon Musk-owned SpaceX will submit preliminary findings from its investigation into the Sept. 1 accident to federal authorities ...

A SpaceX Falcon 9 rocket delivered its heaviest satellite yet to orbit on Monday evening after the company's second blastoff from Kennedy Space Center in two weeks. On the mission’s first launch ...