December 26, 2025
Spaceflight Now
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
Breaking News
  • [ December 22, 2025 ] H3 rocket suffers upper stage anomaly, fails to correctly deploy navigation satellite H3
  • [ December 22, 2025 ] Tory Bruno steps down as President, CEO of ULA News
  • [ December 21, 2025 ] Astronauts, launch teams practice Artemis 2 countdown Artemis
  • [ December 20, 2025 ] Space Development Agency awards roughly $3.5 billion to 4 companies for 72 missile tracking and warning satellites News
  • [ December 18, 2025 ] Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA Electron

Articles by Stephen Clark

Falcon 9

SpaceX mates NASA astronomy satellite with rocket at Kennedy Space Center

December 6, 2021 Stephen Clark

A NASA astronomy satellite will be the smallest payload to ever get a dedicated ride on a Falcon 9 rocket when it takes off from Florida this week, but the SpaceX launcher will need to flex its muscles to reach the mission’s unusual orbit hugging the equator.

Atlas 5

ULA to set rocket endurance record on next launch

December 6, 2021 Stephen Clark

United Launch Alliance’s Atlas 5 rocket will set an endurance record after liftoff from Cape Canaveral Tuesday, targeting the delivery of two U.S. military tech demo satellites directly into a geosynchronous orbit more than 22,000 miles over the equator.

Atlas 5

NASA laser communications experiment set for launch into geosynchronous orbit

December 6, 2021 Stephen Clark

A $320 million NASA experiment to test high-speed laser communications links between Earth and space is poised for launch Tuesday, tagging along for a ride to geosynchronous orbit on a US Space Force mission aboard a United Launch Alliance Atlas 5 rocket.

Mission Reports

SpaceX resumes work on Starship launch pad at Kennedy Space Center

December 6, 2021 Stephen Clark

Elon Musk, SpaceX’s founder and chief executive, says crews have started construction of the first Starship orbital launch pad in Florida inside the gates of historic launch complex 39A at NASA’s Kennedy Space Center.

Atlas 5

Fuel leak at launch pad delays Atlas 5 mission

December 5, 2021 Stephen Clark

United Launch Alliance delayed the planned launch of an Atlas 5 rocket from Cape Canaveral Sunday after discovering a kerosene fuel leak in the launch pad’s ground storage system. Officials have rescheduled launch with two U.S. military satellites for Tuesday morning.

Mission Reports

Arianespace launches Galileo navigation satellites in final mission before Webb

December 5, 2021 Stephen Clark

Deployment of Europe’s independent Galileo navigation network resumed Saturday night with an on-target launch of two satellites aboard a Soyuz rocket, the final Arianespace mission from French Guiana before the historic liftoff of the James Webb Space Telescope later this month.

Falcon 9

SpaceX test-fires Falcon 9 rocket ahead of NASA science probe launch

December 4, 2021 Stephen Clark

SpaceX completed a static fire test of a Falcon 9 rocket Saturday at NASA’s Kennedy Space Center in preparation for a launch Dec. 9 with the space agency’s Imaging X-ray Polarimetry Explorer science mission.

Atlas 5

Photos: Atlas 5 rolls out to launch pad for Space Force mission

December 4, 2021 Stephen Clark

United Launch Alliance rolled an Atlas 5 rocket to its launch pad Friday at Cape Canaveral in preparation for liftoff on a mission to carry two U.S. Space Force technology demonstration satellites into orbit.

Mission Reports

Live coverage: Soyuz rocket lifts off from jungle launch pad with Galileo satellites

December 3, 2021 Stephen Clark

Two more European Galileo navigation satellites have launched from French Guiana aboard a Russian-made Soyuz rocket and Fregat upper stage. Arianespace called off a launch attempt Friday night due to the risk of lightning at the spaceport. Liftoff occurred for 7:19 p.m. EST Saturday (0019 GMT Sunday).

Atlas 5

Live coverage: ULA delays Atlas 5 launch

December 3, 2021 Stephen Clark

United Launch Alliance transferred an Atlas 5 rocket from its vertical hangar to launch pad 41 at Cape Canaveral Space Force Station Friday. Officials scrubbed a planned launch attempt Sunday due to a leak in the kerosene fuel ground storage system at the launch pad.

Posts pagination

« 1 … 80 81 82 … 522 »

News Headlines

  • H3 rocket suffers upper stage anomaly, fails to correctly deploy navigation satellite
    December 22, 2025
  • Tory Bruno steps down as President, CEO of ULA
    December 22, 2025
  • Astronauts, launch teams practice Artemis 2 countdown
    December 21, 2025
  • Space Development Agency awards roughly $3.5 billion to 4 companies for 72 missile tracking and warning satellites
    December 20, 2025
  • Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA
    December 18, 2025
  • Senate confirms Jared Isaacman as 15th NASA Administrator
    December 18, 2025
  • SpaceX flies Starlink mission using Falcon 9 booster flying for a 30th time
    December 17, 2025
  • SpaceX launches Wednesday morning Starlink mission from Kennedy Space Center
    December 16, 2025
  • Rocket Lab Electron rocket aborts liftoff at engine ignition
    December 15, 2025
  • ULA Atlas 5 launch puts Amazon’s 180th broadband satellite in low Earth orbit
    December 15, 2025
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop

© 1999-2025 Spaceflight Now Inc