<![CDATA[Main Engine Cut Off]]>https://mainenginecutoff.substack.comhttps://substackcdn.com/image/fetch/$s_!P35O!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F299a885b-6eb7-41cb-bb8d-ef412af010c9_1280x1280.pngMain Engine Cut Offhttps://mainenginecutoff.substack.comSubstackSun, 12 Apr 2026 10:25:51 GMT<![CDATA[Headlines, March 31, 2026]]>https://mainenginecutoff.substack.com/p/headlines-march-31-2026https://mainenginecutoff.substack.com/p/headlines-march-31-2026Wed, 01 Apr 2026 03:37:40 GMT

  • Artemis II Crew Arrives at Launch Site, Shares Moon Mascot - NASA

  • NASA Releases Artemis II Moon Mission Launch Countdown - NASA

  • NASA Sets Coverage for First Artemis Crewed Mission Around Moon - NASA

  • Fin…

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    ]]>    <![CDATA[Headlines, March 12, 2026]]>https://mainenginecutoff.substack.com/p/headlines-march-12-2026https://mainenginecutoff.substack.com/p/headlines-march-12-2026Fri, 13 Mar 2026 03:57:27 GMT

  • SLS upper stage helium flow problem fixed

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    ]]>    <![CDATA[Headlines, March 3, 2026]]>https://mainenginecutoff.substack.com/p/headlines-march-3-2026https://mainenginecutoff.substack.com/p/headlines-march-3-2026Tue, 03 Mar 2026 16:26:59 GMT

  • After fueling test, optimism grows for March launch of Artemis II to the Moon - Ars Technica

  • NASA says it needs to haul the Artemis II rocket back to the hangar for repairs - Ars Technica

  • Rocket Lab de…

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    ]]>    <![CDATA[Headlines, February 20, 2026]]>https://mainenginecutoff.substack.com/p/headlines-february-20-2026https://mainenginecutoff.substack.com/p/headlines-february-20-2026Fri, 20 Feb 2026 21:37:16 GMT

  • Starliner investigation identifies flawed NASA decision making - SpaceNews

  • Independent report sharply criticizes NASA management, Boeing for troubled Starliner flight – Spaceflight Now

  • NASA chief class…

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    ]]>    <![CDATA[Headlines, February 13, 2026]]>https://mainenginecutoff.substack.com/p/headlines-february-13-2026https://mainenginecutoff.substack.com/p/headlines-february-13-2026Fri, 13 Feb 2026 16:18:59 GMT

  • SpaceX acquires xAI in bid to develop orbital data centers - SpaceNews

  • Musk says SpaceX focus is on the moon rather than Mars - SpaceNews

  • Has Elon Musk given up on Mars? - Ars Technica

  • FAA approves Star…

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    ]]>    <![CDATA[Headlines, February 2, 2026]]>https://mainenginecutoff.substack.com/p/headlines-february-2-2026https://mainenginecutoff.substack.com/p/headlines-february-2-2026Mon, 02 Feb 2026 16:26:33 GMT

  • Blue Origin makes impressive strides with reuse—next launch will refly booster - Ars Technica

  • New Glenn-3 to Launch AST SpaceMobile’s BlueBird Satellite | Blue Origin

  • Blue Origin on X: “Howdy, Texas! O…

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    ]]>    <![CDATA[Headlines, January 14, 2026]]>https://mainenginecutoff.substack.com/p/headlines-january-14-2026https://mainenginecutoff.substack.com/p/headlines-january-14-2026Wed, 14 Jan 2026 18:32:59 GMT

  • Former Google CEO plans to singlehandedly fund a Hubble telescope replacement - Ars Technica

  • NASA Welcomes Portugal as 60th Artemis Accords Signatory - NASA

  • NASA Astronaut Nick Hague Retires - NASA

  • NICK…

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    ]]>    <![CDATA[Headlines, December 22, 2025]]>https://mainenginecutoff.substack.com/p/headlines-december-22-2025https://mainenginecutoff.substack.com/p/headlines-december-22-2025Tue, 23 Dec 2025 04:38:55 GMT

  • NASA finally—and we really do mean it this time—has a full-time leader - Ars Technica

  • Agencywide Town Hall with NASA Administrator Jared Isaacman, Friday, Dec. 19, 2025 - YouTube

  • Trump commits to Moon landing by 2028, followed by a lunar outpost two years later - Ars Technica

  • NASA Teams Work MAVEN Spacecraft Signal Loss - NASA Science

  • NASA Continues MAVEN Spacecraft Recontact Efforts - NASA Science

  • SpaceX Sets $800 Billion Valuation, Confirms 2026 IPO Plans - Bloomberg

  • SpaceX $1.5 Trillion Value Target Hinges on Starlink — And Elon - Bloomberg

  • SpaceX Said to Notify Employees of Quiet Period Ahead of IPO - Bloomberg

  • In a surprise announcement, Tory Bruno is out as CEO of United Launch Alliance - Ars Technica

  • Space Development Agency awards $3.5 billion in contracts for missile-tracking satellites - SpaceNews

  • Chinese astronauts inspect debris-damaged Shenzhou-20 spacecraft during spacewalk - SpaceNews

  • Space Station – Off The Earth, For The Earth

  • NASA Astronaut Jonny Kim, Crewmates Return from Space Station - NASA

  • After key Russian launch site is damaged, NASA accelerates Dragon supply missions - Ars Technica

  • R-7 ICBM/Soyuz rocket launch facilities in Baikonur

  • Launch Roundup: China, Russia, Rocket Lab, ULA join SpaceX in flying this week - NASASpaceFlight.com

  • Launch Previews: Ariane 6, Falcon 9, Atlas V, and Electron launches highlight busy week - NASASpaceFlight.com

  • Launch Roundup: International launches fill manifest during last full week of 2025 - NASASpaceFlight.com

  • China launches 4 times in 4 days, boosting megaconstellation and surveillance assets - SpaceNews

  • China launches new TJS satellite, commercial Kinetica-1 lofts 9 spacecraft - SpaceNews

  • Michael Nicolls on X: “When satellite operators do not share ephemeris for their satellites, dangerously close approaches can occur in space. A few days ago, 9 satellites were deployed from a launch from the Jiuquan Satellite Launch Center in Northwestern China. As far as we know, no coordination or…”

  • China launches experimental cargo spacecraft, opaque tech demo mission and remote sensing satellite - SpaceNews

  • Andrew Jones on X: “Turns out there were two male mice launched on the DEAR-5 cargo spacecraft for neuroscience research. Spacecraft is planned to operate in orbit for one year and is not rated for reentry, so it’s game over at some point for the rodents. Video is prelaunch.”

  • Rocket Lab launches JAXA tech demo satellite - SpaceNews

  • Ariane 6 launches Galileo navigation satellites - SpaceNews

  • These are the flying discs the government wants you to know about - Ars Technica

  • Blue Origin flies first wheelchair user to space - SpaceNews

  • Rocket Lab wraps up record launch year - SpaceNews

  • Japan’s H3 suffers second-stage anomaly, QZS-5 satellite lost - SpaceNews

  • Andrew Jones on X

  • China launches new Guowang satellites, Long March 12A launch and landing attempt date set - SpaceNews

    • Keep an eye on upcoming launches with rocketlaunch.live.

    ]]>    <![CDATA[Headlines, December 5, 2025]]>https://mainenginecutoff.substack.com/p/headlines-december-5-2025https://mainenginecutoff.substack.com/p/headlines-december-5-2025Fri, 05 Dec 2025 16:44:09 GMT

  • NASA nominee appears before Congress, defends plans to revamp space agency - Ars Technica

  • Isaacman’s Second Hearing Mostly Friendly, Nomination Could Clear Senate Soon – SpacePolicyOnline.com

  • Congress …

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    ]]>    <![CDATA[Headlines, November 25, 2025]]>https://mainenginecutoff.substack.com/p/headlines-november-25-2025https://mainenginecutoff.substack.com/p/headlines-november-25-2025Tue, 25 Nov 2025 21:27:57 GMT

  • New Glenn Update | Blue Origin

  • Booster 18 suffers anomaly during proof testing - NASASpaceFlight.com

  • Senate Commerce Committee schedules hearing on Isaacman renomination - SpaceNews

  • Shenzhou-22 docks at…

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    ]]>    <![CDATA[Headlines, November 14, 2025]]>https://mainenginecutoff.substack.com/p/headlines-november-14-2025https://mainenginecutoff.substack.com/p/headlines-november-14-2025Fri, 14 Nov 2025 21:19:30 GMT

  • In a stunning comeback, Jared Isaacman is renominated to lead NASA - Ars Technica

  • Longest Government Shutdown in History Ends After 43 days – SpacePolicyOnline.com

  • Shenzhou-20 astronauts safely return …

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    ]]>    <![CDATA[Headlines, November 3, 2025]]>https://mainenginecutoff.substack.com/p/headlines-november-3-2025https://mainenginecutoff.substack.com/p/headlines-november-3-2025Mon, 03 Nov 2025 14:48:04 GMT

  • NASA’s Orion Space Capsule Is Flaming Garbage – Casey Handmer’s blog

  • Satellite operators will soon join airlines in using Starlink in-flight Wi-Fi - Ars Technica

  • Starlink mini lasers to link Muon Space…

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    ]]>    <![CDATA[Headlines, October 20, 2025]]>https://mainenginecutoff.substack.com/p/headlines-october-20-2025https://mainenginecutoff.substack.com/p/headlines-october-20-2025Tue, 21 Oct 2025 03:33:03 GMT

  • Why did NASA’s chief just shake up the agency’s plans to land on the Moon? - Ars Technica

  • Exclusive | Who Runs NASA? The Power Struggle to Choose the Next Administrator Is Turning Ugly - WSJ

  • SpaceX fin…

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    ]]>    <![CDATA[Headlines, October 13, 2025]]>https://mainenginecutoff.substack.com/p/headlines-october-13-2025https://mainenginecutoff.substack.com/p/headlines-october-13-2025Mon, 13 Oct 2025 14:38:56 GMT

  • Stoke Space raises $510 million - SpaceNews

  • Launch Roundup: Falcon 9 to launch three times, Blue Origin to launch crew - NASASpaceFlight.com

  • Blue Origin flies sixth crewed New Shepard flight of 2025 - …

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    ]]>    <![CDATA[Headlines, October 3, 2025]]>https://mainenginecutoff.substack.com/p/headlines-october-3-2025https://mainenginecutoff.substack.com/p/headlines-october-3-2025Fri, 03 Oct 2025 14:29:45 GMT

  • NASA Says Mars Rover Discovered Potential Biosignature Last Year - NASA

  • Has Perseverance found a biosignature on Mars? - Ars Technica

  • In a win for science, NASA told to use House budget as shutdown loo…

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    ]]>    <![CDATA[Headlines, September 9, 2025]]>https://mainenginecutoff.substack.com/p/headlines-september-9-2025https://mainenginecutoff.substack.com/p/headlines-september-9-2025Tue, 09 Sep 2025 15:35:47 GMT

  • Acting NASA Administrator Duffy Selects Exploration-Focused Associate Administrator - NASA

  • NASA names exploration official as associate administrator - SpaceNews

  • Senators Insist Artemis Must Get Americ…

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    ]]>    <![CDATA[Headlines, August 27, 2025]]>https://mainenginecutoff.substack.com/p/headlines-august-27-2025https://mainenginecutoff.substack.com/p/headlines-august-27-2025Wed, 27 Aug 2025 19:32:33 GMT

  • SpaceX bounces back with a Starship test flight that ended on a buoyant note - Ars Technica

  • Firefly signs agreement to study Alpha launches from Japan - SpaceNews

  • Space Station – Off The Earth, For The…

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    ]]>    <![CDATA[Headlines, August 17, 2025]]>https://mainenginecutoff.substack.com/p/headlines-august-17-2025https://mainenginecutoff.substack.com/p/headlines-august-17-2025Mon, 18 Aug 2025 01:30:16 GMTI have no idea what happened to the end of the last episode of headlines, so I’m making it up to you with a little addendum here! Sorry!

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    ]]>    <![CDATA[Headlines, August 15, 2025]]>https://mainenginecutoff.substack.com/p/headlines-august-15-2025https://mainenginecutoff.substack.com/p/headlines-august-15-2025Fri, 15 Aug 2025 16:24:00 GMT

  • Trump Issues Executive Order on Commercial Space – SpacePolicyOnline.com

  • Enabling Competition in the Commercial Space Industry – The White House

  • NASA’s new chief has radically rewritten the rules for p…

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    ]]>    <![CDATA[Headlines, August 3, 2025]]>https://mainenginecutoff.substack.com/p/headlines-august-3-2025https://mainenginecutoff.substack.com/p/headlines-august-3-2025Mon, 04 Aug 2025 01:53:47 GMT

  • NASA Welcomes Senegal as Newest Artemis Accords Signatory - NASA

  • Firefly Aerospace wins fourth lunar lander award - SpaceNews

  • NASA Selects Firefly for New Artemis Science, Tech Delivery to Moon - NASA

  • L…

    • Read more

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