The fireball phenomenon manifests on the Delta IV Heavy rocket because of design differences between the RS-68 and the Shuttle main engines and because the RS-68 fuel valve is open longer before ...

The new report from NASA sheds more light on the explosion. A design error may have caused a SpaceX rocket to explode mid-air in June of 2015, according to a NASA ...

In 2012, SpaceX founder mocked NASA-contractor design of rocket that exploded ... ABC News' James E. Hill and David Kerley contributed to this report.

And it was with that iconic booster in mind that NASA first represented the SLS with a similar black-and-white motif when it announced the rocket in 2011. Now, the design is exposing its more ...

European rocket manufacturer ArianeGroup and French space agency CNES debuted a reusable rocket design last week called ArianeWorks — and it looks very reminiscent of SpaceX's Falcon 9.