SpaceX has launched at a rate nearly 34 times higher than United Launch Alliance since the start of 2023, but ULA has more experience with high-energy missions, featuring more complex maneuvers to ...

SpaceX secured the largest share of the contracts, landing $5.9 billion for 28 launches. Meanwhile, ULA snatched $5.4 billion ...

The US Space Force announced Friday it selected SpaceX, United Launch Alliance, and Blue Origin for $13.7 billion in ...

Again, the time has come. The Delta IV Heavy rocket is stated to make its final flight at 12:53 p.m. on Tuesday, April 9, ...

Other space companies have been scrambling to compete with SpaceX for years, but developing a reliable rocket takes slow, ...

SpaceX is a space launch juggernaut. In just two decades, the company has managed to edge out former aerospace heavyweights ...

Who's up for a historic late-night launch? Weather permitting, SpaceX will launch a spacecraft carrying the first people to ...

The certification process, which began in 2016, was no easy feat. Vulcan had to clear 52 criteria, 18 critical subsystem reviews, and 114 audits, along with two test launches. While its January 2024 ...

which will eventually replace both the Atlas V rocket and the already retired Delta IV. “Vulcan is uniquely designed to meet the challenging requirements demanded by an expanding spectrum of ...

ULA's Vulcan rocket has been certified by the US Space Force for national security missions after completing a rigorous certification process. The certification process included two successful test ...

United Launch Alliance on Wednesday had its new Vulcan rocket certified by the Space Force so it can begin flying national ...