booster

Super Heavy is breathing fire once again.SpaceX ignited the engines on its Super Heavy booster yesterday (July 15), ahead of Starship's next integrated flight test (IFT), expected in the next few weeks. IFT-5 will be fifth launch of…

SpaceX is continuing to gear up for the next test flight of its Starship megarocket.On Thursday (April 4), SpaceX announced via X that it has moved a Starship first stage, a 33-engine booster called Super Heavy, to the launch pad at its…

As omicron-specific boosters near, scientists debate how ‘original antigenic sin’ will influence immune responsesAugust 23, 2022 at 6:00 a.m. EDT(Melanie Lee for The Washington Post)Comment on this storyCommentIn the beginning, when the…

The next generation of COVID-19 booster shots — tailored specifically to combat the super-infectious family of Omicron subvariants — could roll out early next month. The long-in-the-works offering would mark an ambitious new phase in the…