(This story has been updated with new information as ULA postponed its Atlas V launch "due to predicted inclement weather," and no new date has been set.) A 20-story tall, 1.3 million-pound Atlas V ...

UPDATE (11:17 a.m.) - A United Launch Alliance Atlas V rocket launched from Vandenberg Space Force Base at 11:12 a.m. on Monday. It was the base's 2,000th launch. LIFTOFF of the United Launch Alliance ...

The final flight of United Launch Alliance’s Atlas V rocket is still several years off, but an important era for the once-dominant launch company came to a close last week. The final flight of an ...

Pretty much every rocket company in the United States, save one, has embraced two fundamental tenets: reusability and diversification. Most famously, SpaceX branched out from reusable rockets to ...

When a Falcon Heavy climbed into sky over the Cape early Aug. 30, carrying NASA's Nancy Grace Roman Space Telescope, the rumble and following sonic booms gave way to the beginning of silence. It will ...

As in previous years, SpaceX remains in the lead with 45 rockets from the Space Coast. United Launch Alliance and Blue Origin sent off missions earlier in the year. Meanwhile, NASA launched its SLS ...