United Launch Alliance

By Irene Klotz
The Parker Solar Probe was out of contact with mission controllers during the 6:53 a.m. EST flyby.
Space Exploration

By Graham Warwick
Major events in aerospace and defense during 2024.
Aerospace

By Vivienne Machi
United Launch Alliance is exploring ways to turn its Centaur upper stage into a rocket that can dynamically move around space.
Launch Vehicles & Propulsion

By Vivienne Machi
The first spacecraft from a U.S. Space Force and National Reconnaissance Office program to conduct space situational awareness are close to entering operation.
Satellites

By Michael Bruno
It is a far cry from just six years ago when Boeing still was in a roll-up phase.
Manufacturing & Supply Chain

By Guy Norris
The TPS comprises a composite material that combines the strength of carbon fiber with the high-temperature stability of ceramics.
Space Exploration

By Vivienne Machi
Last June, the service awarded the initial NSSL Phase 3 Lane 1 contracts worth $5.6 billion to United Launch Alliance, Blue Origin and SpaceX.
Satellites

By Irene Klotz
Blue Origin's second New Shepard vehicle flew with a dozen payloads as part of a shakedown run ahead of passenger flights.
Space

By Irene Klotz, Mark Carreau, Vivienne Machi
With a second successful flight, United Launch Alliance’s new rocket is ready to take on military and commercial missions.
Launch Vehicles & Propulsion

By Mark Carreau
The Vulcan Centaur rocket's only post-launch issue was a "variant observation" in one of the first stage's two solid rocket boosters, ULA says.
Launch Vehicles & Propulsion

By Irene Klotz
ULA is preparing for the second flight of its new Vulcan-Centaur rocket, a mission needed to complete certification ahead of service for the U.S. military.
Launch Vehicles & Propulsion

By Mark Carreau
The mission is intended to complete certification of the two-stage rocket by the U.S. Space Force for national security missions beginning by year’s end.
Launch Vehicles & Propulsion

By Irene Klotz
Cert-2, slated to launch between 6-9 a.m. EDT Oct. 4, follows Vulcan’s Jan. 8 inaugural Cert-1 flight.
Operations & Safety

By Vivienne Machi
The service is close to identifying the launch providers eligible to send nearly 50 future national security missions to space.
Launch Vehicles & Propulsion

By Irene Klotz
United Launch Alliance (ULA) is targeting Oct. 4 to launch its second Vulcan-Centaur rocket.
Launch Vehicles & Propulsion

By Graham Warwick
Our roundup of the main aerospace and defense stories making the news this week.
Space

By Irene Klotz, Mark Carreau
The Crew Flight Test of the Boeing-built CST-100 Starliner spacecraft has marked its eighth week docked at the International Space Station.
Space

By Irene Klotz
A decade after Congress began banning Russian rocket engines for U.S. missions, the final national security payload for an Atlas V has lifted off.
Space

By Garrett Reim
A group of recently launched startups are bucking the strategy.
Commercial Space

By Vivienne Machi
The U.S. Space Force has awarded contracts to Blue Origin and Stoke Space under the Orbital Services Program (OSP)-4 effort.
Space

By Vivienne Machi
The next 18 months will be busy for United Launch Alliance’s (ULA) newest rocket, and no one is more aware of that fact than Tory Bruno.
Commercial Space

By Graham Warwick
Our roundup of the main aerospace and defense stories making the news this week.
Space

By Irene Klotz
The mission, known as Certification-2 (Cert-2), follows Vulcan’s successful debut on the Cert-1 flight in January.
Space

By Irene Klotz
The ULA Vulcan-Centaur rocket being prepared to fly a dual-purpose mission this fall arrived at Cape Canaveral on June 24 ahead of a planned September launch.
Commercial Space

By Vivienne Machi, Irene Klotz
The newcomer joins incumbents ULA and SpaceX on the Space Force’s launch vendor list.
Space