Merlin is SpaceX's first and most reliable ... It leaves an enormous amount of solid carbon matter behind, which is fine with an expendable single-use engine but not so great if you want to ...

An explosive leak? SpaceX was testing an experimental new version of its Merlin rocket engine at the time of the blast, a company source who is familiar with the matter told Business Insider.

A principal objective of the new design was to facilitate booster reusability for a larger range of missions, including delivery of large commsats to geosynchronous orbit. Modifications included ...

The Merlin 1D engine has completed all of its testing and is ready to take to the skies later this year.SpaceX has announced that the Merlin 1D has achieved flight qualification status ...

The Falcon 9 rocket, for example, has a first stage with nine Merlin engines ... than its throat. So this engine can only be tested on the ground in a large vacuum chamber. SpaceX's test on ...