October 2, 2025
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Breaking News
  • [ October 1, 2025 ] ViaSat-3 F2 satellite arrives in Florida ahead of late October launch Atlas 5
  • [ October 1, 2025 ] Report argues NASA is illegally using President’s Budget Request to circumvent Congress’ budgeting process News
  • [ September 30, 2025 ] Axiom Space taps Portuguese physiologist as first ‘Project Astronaut’ News
  • [ September 30, 2025 ] Ground testing anomaly destroys Firefly Aerospace’s Alpha booster intended for next flight Alpha
  • [ September 28, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9

Delta

Delta 4

Launch of solar probe scrubbed by technical issue in terminal countdown

August 11, 2018 Stephen Clark

An automatic alarm in the final two minutes of the Delta 4-Heavy rocket’s countdown early Saturday forced officials to delay blastoff with NASA’s Parker Solar Probe by 24 hours.

Delta 4

Photos: Delta 4-Heavy revealed for solar probe launch

August 11, 2018 Stephen Clark

These photos taken Friday evening show the mobile gantry being wheeled away from a United Launch Alliance Delta 4-Heavy rocket at Cape Canaveral, hours before its scheduled blastoff with NASA’s Parker Solar Probe.

Delta 4

Delta 4-Heavy launch timeline with Parker Solar Probe

August 11, 2018 Stephen Clark

A United Launch Alliance Delta 4-Heavy rocket, crowned by a solid-fueled upper stage kick motor, will send NASA’s Parker Solar Probe on a speedy voyage through the inner solar system following liftoff from Cape Canaveral.

Delta 4

Watch the Parker Solar Probe pre-launch mission briefing

August 10, 2018 Spaceflight Now

NASA held a pre-launch briefing for the Parker Solar Probe mission on Thursday, August 9, 2018, at the Kennedy Space Center.

Delta 4

Live coverage: Delta 4-Heavy launches with NASA solar probe

August 10, 2018 Stephen Clark

A United Launch Alliance Delta 4-Heavy rocket climbed into space Sunday with NASA’s Parker Solar Probe on a daring mission to explore the atmosphere of the sun. Liftoff from Cape Canaveral occurred at 3:31 a.m. EDT (0731 GMT).

Mission Reports

Parker Solar Probe cleared for launch to ‘touch the sun’

August 9, 2018 William Harwood

NASA managers Thursday cleared the $1.5 billion Parker Solar Probe for launch early Saturday on a daring mission to “touch the sun,” repeatedly flying through its outer atmosphere to find out why the blazing corona is millions of degrees hotter than our star’s visible surface.

Delta 4

Photos: Delta 4 blasts off from Vandenberg’s historic SLC-6 launch pad

January 16, 2018 Stephen Clark

A United Launch Delta 4 rocket lifted off Friday from the SLC-6 launch pad at Vandenberg Air Force Base in California, powering into orbit from a historic seaside complex originally developed for crewed missions.

Delta 4

Delta 4 rocket successfully lofts clandestine NRO satellite into orbit

January 13, 2018 Stephen Clark

A United Launch Alliance Delta 4 rocket climbed into orbit Friday from Vandenberg Air Force Base in California with a top secret spy satellite, adding a new set of eyes in the sky for the U.S. government’s intelligence community and nudging part of the Delta 4 family closer to retirement.

Delta 4

Watch a replay of the Delta 4 NROL-47 launch

January 12, 2018 Spaceflight Now

Watch a replay of the United Launch Alliance Delta 4 rocket launching from Vandenberg Air Force Base in California, hauling into orbit a new eye in the sky for the National Reconnaissance Office.

Delta 4

Photos: Mobile gantry rolled back to reveal Delta 4 rocket at Vandenberg

January 11, 2018 Stephen Clark

The 32-story-tall mobile service tower at the Delta 4’s launch pad at Vandenberg Air Force Base in California was retracted away from the rocket Thursday in advance of a planned liftoff with a top secret National Reconnaissance Office payload.

Posts pagination

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News Headlines

  • ViaSat-3 F2 satellite arrives in Florida ahead of late October launch
    October 1, 2025
  • Report argues NASA is illegally using President’s Budget Request to circumvent Congress’ budgeting process
    October 1, 2025
  • Axiom Space taps Portuguese physiologist as first ‘Project Astronaut’
    September 30, 2025
  • Ground testing anomaly destroys Firefly Aerospace’s Alpha booster intended for next flight
    September 30, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    September 28, 2025
  • Sierra Space’s Dream Chaser debut mission delayed again, no longer docking to station
    September 26, 2025
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg
    September 25, 2025
  • ULA launches third batch of Amazon’s Project Kuiper satellites from Cape Canaveral
    September 25, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    September 25, 2025
  • SpaceX launches NASA, NOAA missions exploring the impacts of the Sun
    September 24, 2025
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