All Episodes
Main Engine Cut Off — 336 episodes
T+335: Auriga Space (with Winnie Lai, Founder and CEO)
T+334: SpaceX the Outlier, and Organization Leadership (with Matt Gjertsen)
T+333: New Glenn Explodes on LC-36, Starship Flight 12, and NASA Moon Base Updates
T+332: Quantum Space (with Jim Bridenstine, CEO)
T+331: Checking in on K2 (with Neel Kunjur, Co-Founder and CTO)
T+330: 10 Years of MECO
T+329: Katalyst Space and the Mission to Boost Swift (with Ghonhee Lee, Founder and CEO)
T+328: Pam Melroy, Former NASA Deputy Administrator and Space Shuttle Commander
T+327: Artemis II, the Lunar Flyby Edition (with Paul Fjeld)
T+326: Artemis II Underway
T+325: Ignition
T+324: Impulse Space (with Tom Mueller, Founder and CEO)
T+323: The Artemis Roadmap Shakeup
T+322: SpaceX Acquires xAI as it Prepares for IPO, Blue Origin Cancels New Shepard, and Artemis II Delayed (with Loren Grush)
T+321: Artemis II, New Glenn’s First Reflight, Blue Origin’s TeraWave, and Tory Bruno’s Job Switch
T+320: NASA’s FY2026 Budget, the Isaacman Era, and the Eve of Artemis II (with Casey Dreier)
T+319: Headlines, December 22, 2025
T+318: General Chance Saltzman, Chief of Space Operations, United States Space Force
T+317: Isaacman Renomination Hearing, Starliner Flights Cut, Starship at SLC-37, Zhuque-3 Almost Sticks the Landing, and More (with Stephen Clark)
T+316: New Glenn’s Second Launch, First Landing, and Upgrade Roadmap
T+315: Autonomy in Space (with Simone D’Amico, DJ Bush, and Al Tadros)
T+314: Jockeying for the Artemis 3 Lander, and the NASA Administrator Position
T+313: Starlink, Kuiper, Project Bromo, and More (with Caleb Henry)
T+312: Starship Flight 11, Space Policy, and Priorities (with Miles O’Brien)
T+311: Phil McAlister on Commercial LEO and NASA’s Human Spaceflight Budget
T+310: NASA’s “Prove It” Era
T+309: EchoStar’s Spectrum Sale, Starlink’s Financials (with Caleb Henry, Director of Research at Quilty Space)
T+308: Chatting with Casey Handmer
T+307: Executive Order on Regulatory Reform (with Tom Marotta)
T+306: Lunar Outpost (with Michael Moreno, VP of Strategy)
T+305: The Starship 36 Explosion, and ESA Policy (with Adrian Beil, NASASpaceflight)
T+304: The Musk/Trump Breakup, Jared Isaacman’s Withdrawn Nomination, and Starship Flight 9 (with Lori Garver)
T+303: The Trump 2024 Transition (with Mark Albrecht)
T+302: A Tour of Marotta Controls
T+301: Hypersonics and Constellations (with Caleb Henry)
T+300: Isaacman’s Confirmation Hearing, NASA and NOAA Budgets, NSSL Phase 3 Lane 2 Awards
T+299: Starliner, According to Butch and Suni (with Eric Berger)
T+298: Eric Schmidt Takes Over at Relativity, Rocket Lab Plans Mynaric Acquisition
T+297: Firefly Blue Ghost 1, Intuitive Machines IM-2, SpaceX Starship Flight 8 (with Josh Dinner)
T+296: Jim Bridenstine on Space Policy
T+295: The Economics of Space (with Matthew Weinzierl and Brendan Rosseau)
T+294: Elon Musk and the Trump Administration, Potential SLS Cancellation (with Eric Berger)
T+293: Jonathan’s Space Report Library Transition (with Jonathan McDowell)
T+292: New Glenn Flight 1, Starship Flight 7
T+291: Axiom Updates Station Plans, Firefly Wins Another CLPS Mission
T+290: Jared Isaacman Nominated NASA Administrator
T+289: Starship Flight 6, ABL’s Pivot, NS-26 (Headlines Preview)
T+288: The Return of President Trump
T+287: Polaris Dawn (with Jared Isaacman)
T+286: Starship Flight 5
T+285: The Public Dispute Between SpaceX and the FAA
T+284: Stoke Space (with Andy Lapsa, CEO)
T+283: Starliner, Fram2, VIPER, Blue Moon (with Jeff Foust)
T+282: Space Policy and Presidential Transitions (with Mark Albrecht)
T+281: Star Catcher (with Andrew Rush, President & CEO)
T+280: VIPER Cancelled, Falcon 9 Grounded
T+279: Phantom and VLEO (with JP Ramos, Business Development Manager at Redwire)
T+278: Firefly Alpha’s New Launch Sites, ISS News Blitz (Deorbit Vehicle, Collins Spacesuits, and Starliner)
T+277: SabreSat, VLEO, and DARPA’s Otter Program (with Spence Wise, SVP of Missions and Platforms at Redwire)
T+276: Mars Sample Return Studies, NSSL Phase 3 Lane 1 Selections
T+275: Starliner’s First Crew, Starship’s Fourth Flight
T+274: The Vulcan and Artemis Roadmaps
T+273: Mars Sample Return
T+272: Moon Rovers, Space Stations, and Starships
T+271: Checking in on the Chinese Space Industry (with Andrew Jones)
T+270: K2 Space (with Neel Kunjur, Co-Founder and CTO)
T+269: IM-1 and Beyond (with Tim Crain, Co-Founder and CTO of Intuitive Machines)
T+268: IM-1, CLPS, NASA Budget (with Eric Berger)
T+267: Vulcan, New Glenn, Peregrine, Artemis
T+266: Alex Fielding, CEO and Chairman, Privateer
T+265: Headlines, featuring Starship IFT-2, Dragonfly, and Ariane 6
T+264: ESA’s Interest in Space Stations, Virgin Galactic Bails on VSS Unity
T+263: Space Policy Roundup (with Marcia Smith)
T+262: Printing a Meniscus in the BioFabrication Facility (with Dr. Molly Mulligan and Dr. Ken Savin of Redwire)
T+261: Agile Space (with CEO Chris Pearson and Chief Engineer Lars Osborne)
T+260: Northrop Grumman Changes Plans, Starlab, Orbital Reef, and Leadership Changes
T+259: Tom Marotta, The Spaceport Company
T+258: The Six, by Loren Grush (Off-Nominal 123 - An Exciting Time)
T+257: Chandrayaan-3, Luna-25, and the Deep Space Network (with Scott Tilley)
T+256: The Kuiper Logjam
T+255: NSSL Phase 3 Addendum
T+254: Mars Sample Return, Vulcan, NSSL Phase 3 (with Eric Berger)
T+253: The German and European Launch Industry (with Adrian Beil)
T+252: NASA Selects Blue Moon for a Second Lunar Lander, But is Facing a Grim Budget Reality
T+251: Finance and Business Strategy (Live from Space Symposium 2023)
T+250: LEO and Lunar Commercialization (Live from Space Symposium 2023)
T+249: Space Symposium Round Up Plus Drop-In Guests (Live from Space Symposium 2023)
T+248: Space Policy (Live from Space Symposium 2023)
T+247: International Partnerships (Live from Space Symposium 2023)
T+246: Starship’s First Test Flight (with Jake Robins)
T+245: Relativity Redesigns, Pivots to Terran R
T+244: Dawn Aerospace’s Rocket-Powered Mk-II Aurora Takes Flight (with Stefan Powell, CEO)
T+243: Live Show Announcement! Plus Virgin Orbit Nears the End, While Relativity Flies Terran 1
T+242: NASA’s FY2024 Budget Request (with Casey Dreier)
T+241: ULA on the Market
T+240: NSSL Phase 3, and a New Glenn Check In
T+239: Space Policy with Lori Garver
T+238: Rocket Lab Flies from Wallops Island (with Caleb Henry)
T+237: Virgin Orbit and ABL Suffer Failures
T+236: SpaceX Starshield, NSSL Phase 3
T+235: Artemis I, 2022 Midterms (with Casey Dreier)
T+234: Scott “Kidd” Poteet, Sarah Gillis, and Anna Menon of Polaris Dawn
T+233: Jared Isaacman, Polaris Program
T+232: A Visit to Astrobotic
T+231: The Future of Private Astronaut Missions to the ISS
T+230: Bob Pearce, Associate Administrator of NASA’s Aeronautics Research Mission Directorate
T+229: Space Insurance (with Richard Parker and John Farnsworth)
T+228: Artemis I, Act I
T+227: Astrobee, Free-Flying Robots on the ISS (with Jonathan Barlow)
T+226: Northrop Grumman and Firefly Partner on Antares
T+225: Astrogation with Space Exploration Engineering
T+224: Northrop Grumman’s Commercial Space Station, with Rick Mastracchio (Director Of Business Development)
T+223: Viper Delayed, Masten Unravels, CLPS Moves On
T+222: Rogozin Out, Seat Exchange Signed
T+221: Psyche Misses Its Launch Window, SIMPLEx Missions Struggle to Find Theirs (with Jake Robins)
T+220: Artemis Architecture (with Eric Berger)
T+219: Starship Launch Plan Clears FAA Environmental Review, with Mitigations Required
T+218: Starliner Flies, Dragon Gets More Flights
T+217: Artemis Accords, with Mike Gold
T+216: Orbital Reef, with Brent Sherwood (SVP of Advanced Development Programs at Blue Origin)
T+215: CAPSTONE, with Brad Cheetham, CEO of Advanced Space
T+214: Andrew Maximov, Founder of Precious Payload
T+213: Amazon’s Project Kuiper Launch Contract Blockbuster
T+212: NASA’s Budget, Commercial LEO, and the Sustaining Lunar Development Contract
T+211: Political and Industrial Fallout of the War
T+210: Ukraine, Russia, and the Space Industry (with Debra Werner)
T+209: Off-Nominal 50 (with Michael Sheetz and Eric Berger)
T+208: The Polaris Program
T+207: 2022 Preview, Predictions, and Things to Watch (with Eric Berger)
T+206: Going Independent
T+205: Phil McAlister, Director of Commercial Spaceflight at NASA
T+204: ISS Port Management (with Bill Spetch of NASA)
T+203: Starlab with Marshall Smith, SVP of Space Systems at Nanoracks
T+202: The Geopolitics of ASAT Weapons and Space Debris (with Brian Weeden)
T+201: Russia’s Reckless and Awful Anti-Satellite Operation
T+200: Orbital Reef, Starlab, and the ISS Conundrum
T+199: A Visit to the NASTAR Center (with Glenn King)
T+198: Ryan McDevitt, CEO of Benchmark Space Systems
T+197: NASA’s Human Spaceflight Directorate Shakeup
T+196: Checking In on Small Launch with Firefly Alpha, Astra LV0006
T+195: Blue Origin’s Project Jarvis, Suborbital Flights, and Nauka Fallout (with Eric Berger)
T+194: Branson & Bezos Fly To Space
T+193: Marcia Smith, SpacePolicyOnline.com
T+192: iROSA with Matt LaPointe and Andrew Rush
T+191: Phil Bracken, VP of Engineering at Spaceflight
T+190: Brock Howe, Nanoracks Bishop Airlock Program Manager
T+189: Stephen Forbes, DARPA Blackjack Program Manager
T+188: Starship SN15, and the HLS Protests
T+187: Eric Berger on Artemis, Starship, Amazon’s Atlas V Rides, and the State of Blue Origin
T+186: NASA Selects Starship as Artemis Lander
T+185: Bill Nelson Nominated as NASA Administrator
T+184: Jake Robins on the 2021 Mars Fleet and Future Exploration
T+183: Peter Beck on Neutron, Going Public, and Eating Hats
T+182: Rocket Lab Neutron, Relativity Terran R
T+181: Falcon 9 Fleet, ABL in the UK, Firefly to the Moon
T+180: Christian Davenport, The Washington Post, on the SLS Green Run, Axiom Ax-1, Virgin Orbit
T+179: Meagan Crawford, SpaceFund
T+178: Andrew Jones, on China’s Chang’e-5, 2021 Plans, and More
T+177: NASA VCLS 2, Relativity, Astra, and Firefly
T+176: The Flight of Starship SN8
T+175: Delays
T+174: SpaceX Crew-1 Kicks Off New Era for ISS
T+173: Headlines
T+172: Lunar Politics
T+171: SpaceX, L3Harris Selected by SDA for Missile Warning Satellites
T+170: Catching Up on the News
T+169: Commercial Small Launcher Updates
T+168: SpaceX and ULA Win NSSL Phase 2
T+167: Phillip Hargrove, NASA Launch Services Program
T+166: Laura Klicker and Daniel Gillies, Astrobotic
T+165: Caleb Henry on the OneWeb Acquisition, Starlink Antennas, C-Band Drama, and More
T+164: An Announcement, and a Check-in on International Space Policy and NSSL Phase 2
T+163: Suborbital Crew, Virgin Galactic to ISS
T+162: Grant Bonin, SVP of Business Development at Spaceflight
T+161: Mark Wiese, Manager of NASA’s Gateway Deep Space Logistics
T+160: Lueders Leads HEO, Northrop Grumman Awarded HALO Contract
T+159: SpaceX Demo-2 Carries Crew to ISS
T+158: Doug Loverro Resigns, and a Bit About the Artemis Accords
T+157: Blue Origin, Dynetics, and SpaceX Win NASA Lunar Lander Contracts
T+156: Sean Mahoney, CEO of Masten Space Systems
T+155: Peter Beck on the Pandemic’s Effect on the Industry and Rocket Lab’s Busy Few Months
T+154: Tim Ellis, CEO and Cofounder of Relativity
T+153: Boeing to Refly Starliner Uncrewed Test, While SpaceX Crew Plans Firm Up
T+152: SpaceX’s Dragon XL Wins Gateway Logistics Services Contract
T+151: Northrop Grumman, Satellite Servicing, and DARPA’s RSGS
T+150: SpaceX Signs Crew Flight Agreements with Axiom, Space Adventures
T+149: Let’s Talk About Starship with Tim Dodd, the Everyday Astronaut
T+148: Gerst to SpaceX, and Why Landing is Part of Mission Success
T+147: Mike Suffredini, President & CEO of Axiom
T+146: Loren Grush on Commercial Crew, Starlink, NASA Authorization, and More
T+145: Caleb Henry
T+144: 2019 Impacts
T+143: Starliner, 2020 US Space Budget
T+142: T.S. Kelso, CelesTrak and AGI
T+141: Dylan Taylor, Voyager Space Holdings
T+140: Launch Protests and Lander Hopefuls
T+139: RemoveDEBRIS with Richard Duke
T+138: Peter Beck, Founder of Rocket Lab
T+137: Artemis Politics, United Lander Alliance
T+136: Starship to GTO, SSO from Florida
T+135: Jake Robins on Starship
T+134: Headlines (with news on Orion, NEOCam, and more)
T+133: Kurt Klaus on CLPS
T+132: SpaceX SmallSat Updates
T+131: Andrew Rush, CEO of Made in Space
T+130: SmallSat Launch Roundup
T+129: Steve Altemus and Dr. Tim Crain, Intuitive Machines
T+128: NASA Shuffles CLPS, Partners on Blue Moon and Starship
T+127: Gateway Habitat, Starhopper, and ABL Space Systems
T+126: The NASA Ousters
T+125: Andrew Jones
T+124: Gateway Logistics Services, FY2020 NDAA, and Small GEO Satellites
T+123: The Noosphere of Influence
T+122: National Security SpaceX Lawsuit
T+121: Artemis, Blue Moon, Starship, and Politics
T+120: Dr. Mike Baine, Axiom Space
T+119: Dr. John Charles
T+118: Rapid Agile Launch Initiative
T+117: Q&A
T+116: On the Moon by 2024
T+115: Caleb Henry
T+114: EM-1 Hot Drama with Eric Berger
T+113: Q&A
T+112: SLC-20, SPD-4, and a Soyuz Soapbox
T+111: SpaceX, the Established Launch Provider
T+110: Starship, New Glenn, and RS1 Updates
T+109: Q&A
T+108: Layoffs and Launch Sites
T+107: Chris Gebhardt
T+106: Q&A
T+105: Jonathan McDowell
T+104: Jake Robins
T+103: Commercial Lunar Payload Services
T+102: November Q&A
T+101: Starlink Addendum
T+100: Midterms, and a Thought on Starlink
T+99: October Q&A
T+98: Gateway Logistics Services
T+97: SLS OIG Report, Air Force LSA Awards
T+96: Blue Origin & Harris
T+95: September Q&A
T+94: #dearMoon
T+93: NASA Goddard and Restore-L
T+92: Marcia Smith
T+91: August Q&A
T+90: Andrew Jones
T+89: Lockheed’s Small Sat Strategy, NASA Tipping Points Contracts
T+88: CubeRover, Michael Provenzano and Andrew Horchler
T+87: Rocket Lab Launch Complex 2
T+86: Falcon Heavy Wins AFSPC-52
T+85: Support and Criticism for the Lunar Gateway
T+84: The End of NASA Exploration Exclusivity
T+83: Falcon 9 Block 5, RL10 on Centaur V
T+82: Jon Goff, Altius Space Machines
T+81: Resource Prospector Cancellation
T+80: DARPA Launch Challenge
T+79: Orbital ATK’s OmegA, NASA’s Bridenstine
T+78: No Cost-Plus, But No Vision, Either
T+77: Blue Origin Reconfigures New Glenn
T+76: Caleb Henry
T+75: March Roundup
T+74: Stagnation and Opportunity
T+73: Commercial Crew Contingency Plans, and the End of ISS
T+72: SpaceX’s Motivation for Falcon Heavy
T+71: Commercial Crew, Congress, and the GAO
T+70: Polar Launches from Cape Canaveral
T+69: Robin Seemangal
T+68: Mike Lewis, CTO of NanoRacks
T+67: Special Preview of MECO Headlines, December 1–8, 2017
T+66: A Visit to NanoRacks, and Virgin Orbit Books a Department of Defense Launch
T+65: The New GEO Model, Orbital ATK’s Composite Case, Good and Bad SpaceX News
T+64: BE-4 Fires Up, and Some Thoughts on the Future of Commercial and Military Launch
T+63: Centaur V, BFR Updates
T+62: Chris Gebhardt on SpaceX’s BFR 2017 Update
T+61: Northrop Grumman Acquires Orbital ATK, Lockheed Martin Unveils New Satellite Family
T+60: New Glenn’s Fairing, OneWeb’s Factory
T+59: Jake Robins
T+58: Totality
T+57: Caleb Henry
T+56: Small Launchers and Advanced Propulsion
T+55: ISS and Beyond
T+54: Eric Berger
T+53: Loren Grush
T+52: XCOR Winds Down, ULA Wins STP-3
T+51: The SpaceX Steamroller, Blue Origin Chooses Alabama
T+50: Boeing Gets XS-1, SpaceX Gets X-37B
T+49: Dr. Thomas Lang
T+48: Rand Simberg
T+47: Uncrewed EM-1 Delayed to 2019
T+46: Eric Berger
T+45: 2018 Air Force Launch Vehicle Contracts, and the Dim Future of Antares
T+44: SpaceX and the Age of Reusability
T+43: March Lightning Round
T+42: Blue Origin Introduces New Glenn
T+41: EM-1 Follow-up, Dragon 2-Falcon Heavy to the Moon
T+40: The Potentially Infamous EM-1 Memo
T+39: Opportunities for Private Companies within Government Programs
T+38: 2017 NASA Transition Authorization Act Speculation
T+37: Government Subsidies, Private Capability, and the 2010 National Space Policy
T+36: Falcon 9 Flies with New Fueling Procedures, and the NASA-Boeing-Soyuz Saga
T+35: NASA Policy Grab Bag
T+34: SpaceX’s COPV Investigation and Return to Flight
T+33: SpaceX’s Commercial Crew Delay, Fueling Process Approved, and the Inmarsat-Falcon Heavy Situation
T+32: Soyuz-U Failure and Satellite Servicing
T+31: ULA’s RocketBuilder
T+30: SpaceX Nearing Falcon 9 Return-to-Flight
T+29: Commercializing the NASA Exploration Roadmap
T+28: The Future of NASA and the Moon
T+27: Financial vs. Political Capital and Mission Sustainability
T+26: OA-5, Antares, and Orbital ATK’s Road Ahead
T+25: Falcon 9 Updates and the 10% Discount
T+24: ULA’s RapidLaunch and Commercial Market Competitiveness
T+23: SpaceX Mars Architecture Initial Reactions
T+22: SpaceX Mars Architecture Announcement Preamble
T+21: Blue Origin Previews New Glenn
T+20: Mike Johnson, Chief Designer at NanoRacks on NanoRacks’ History, NextSTEP, and Wet Workshops
T+19: SpaceX’s Manifest, Flight-Proven Hardware, Blue Origin Updates, and Antares’ Engines
T+18: Robert Zubrin on Mars Exploration and Colonization Internationally, within NASA, and at SpaceX
T+17: NextSTEP Habitat Prototypes, and the Zombie Centaur
T+16: Moon Express Licensing, and NASA’s Disdain for Artificial Gravity
T+15: More SLS Roadmap Details, and Landed Falcon 9 Static Fires
T+14: The Post-EM-1 Roadmap for SLS, and Potential Uses for SpaceX’s BFR
T+13: SpaceX’s CRS-9 Success, Senate Hearing Recap, and US-Russian Plans for the Moon
T+12: The Competition of Reusability Between Falcon 9, Vulcan, and Ariane 6
T+11: SpaceX’s LZ-1 Expansion, Dream Chaser’s UN Ambitions, China and ESA’s Growing Relationship
T+10: Logan Kamperschroer on the Current State and Near Future of Storable Propellants
T+9: ExoMars 2016 and 2020, Chinese Partnerships and Policy
T+8: Masten’s Xodiac and XaeroB, Blue Origin’s Next Flight of New Shepard
T+7: Bezos and Musk at Code Conference, and a Hard Look at Vulcan’s Economics
T+6: Orbital ATK’s Next-Gen Vehicle, Falcon 9 Proving Its Reusability, and ULA’s Tough Future
T+5: Space Stations Around the Moon and Mars, ExoMars 2016, and China’s Momentum in Space
T+4: Boeing’s CST-100, SpaceX’s Dragon 2, and a Scorched Falcon 9
T+3: Falcon 9 GTO Mission Drone Ship Landing, Orbital ATK’s Current and Future Launch Vehicles
T+2: SpaceX’s Red Dragon, Falcon Performance, and the Political Fallout of OA-6
T+1: The Near Future of NASA’s Orion and SLS Programs
T-0: The Near Future of US-Based Competitors