September 11, 2025
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Breaking News
  • [ September 10, 2025 ] Live coverage: SpaceX attempts to launch Indonesian communications satellite following three days of scrubs Falcon 9
  • [ September 10, 2025 ] Launch preview: Space Development Agency, SpaceX to launch next-gen national security satellites Falcon 9
  • [ September 8, 2025 ] Poor weather halts SpaceX launch attempt of Indonesian communications satellite for second day in a row Falcon 9
  • [ September 6, 2025 ] SpaceX passes 2,000 Starlink satellites deployed in 2025 with Saturday launch Falcon 9
  • [ September 4, 2025 ] SpaceX aces 500th Falcon booster landing amid sunrise Starlink mission 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

  • Live coverage: SpaceX attempts to launch Indonesian communications satellite following three days of scrubs
    September 10, 2025
  • Launch preview: Space Development Agency, SpaceX to launch next-gen national security satellites
    September 10, 2025
  • Poor weather halts SpaceX launch attempt of Indonesian communications satellite for second day in a row
    September 8, 2025
  • SpaceX passes 2,000 Starlink satellites deployed in 2025 with Saturday launch
    September 6, 2025
  • SpaceX aces 500th Falcon booster landing amid sunrise Starlink mission
    September 4, 2025
  • SpaceX launches 28 Starlink satellites on Wednesday sunrise Falcon 9 flight
    September 2, 2025
  • SpaceX’s Tuesday night Starlink features rare debut of a Falcon booster
    September 2, 2025
  • SpaceX’s Sunday morning Falcon 9 launch sends 1,900th Starlink to orbit in 2025
    August 30, 2025
  • SpaceX launches 24 Starlink satellites into polar orbit
    August 29, 2025
  • NASA, NOAA prep spacecraft trio to study the Sun and its impacts
    August 29, 2025
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