April 23, 2026
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Breaking News
  • [ April 23, 2026 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
  • [ April 21, 2026 ] SpaceX launches final GPS III satellite for the U.S. Space Force Falcon 9
  • [ April 20, 2026 ] Blue Origin launches third New Glenn rocket, but payload ends up in wrong orbit New Glenn
  • [ April 19, 2026 ] Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster Mission Reports
  • [ April 18, 2026 ] SpaceX makes 600th Falcon booster landing during West Coast 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

  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    April 23, 2026
  • SpaceX launches final GPS III satellite for the U.S. Space Force
    April 21, 2026
  • Blue Origin launches third New Glenn rocket, but payload ends up in wrong orbit
    April 20, 2026
  • Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster
    April 19, 2026
  • SpaceX makes 600th Falcon booster landing during West Coast Starlink mission
    April 18, 2026
  • Blue Origin hot fires its first previously flown booster, prepares for weekend launch
    April 16, 2026
  • Blue Origin one step closer to launching New Glenn from Vandenberg Space Force Base
    April 15, 2026
  • West Coast SpaceX Falcon 9 mission launches 25 Starlink satellites
    April 15, 2026
  • SpaceX launches 1,000th Starlink satellite of 2026 on Falcon 9 rocket from Cape Canaveral
    April 14, 2026
  • NASA confident Artemis 2 heat shield will protect crew during re-entry
    April 10, 2026
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