While ULA said the Vulcan rocket continued to hit its marks during the climb into orbit Friday, engineers are investigating what happened with one of its solid rocket boosters shortly after liftoff.

Three weeks after being asked to modify a $2.78 billion deal that would dramatically change college sports, attorneys excised the word “booster” from the mammoth plan in hopes of satisfying a judge’s ...

In what has become a pattern of spreading vaccine misinformation, the Florida health department is telling older Floridians and others at highest risk from COVID-19 to avoid most booster shots ...

The mangled metal is part of the first-stage booster that flew on the most recent Starship test flight, Musk said. "Like the ruins of a futuristic, long-dead civilization," he wrote in another ...