Space blogs
44 Space blogs that 15 or more Hacker News people shared, 2006 to 2026.
Next Big Future
nextbigfuture.comA news blog on emerging technology covering energy, space, batteries, nuclear power, and longevity, with frequent data-driven posts.
Top post: Deaths per TWH by Energy Source
NASA Blogs
blogs.nasa.govNASA's official blogs report on missions, including the James Webb Space Telescope, OSIRIS-REx, and Voyager.
Top post: NASA says Webb’s excess fuel likely to extend its lifetime expectations
The Space Review
thespacereview.comThe Space Review is a weekly online publication of essays and analysis on space policy, history, and spaceflight.
Top post: Helicopter proposed for midair first-stage recovery of the Saturn 5 (2008)
Casey Handmer
caseyhandmer.wordpress.comCasey Handmer, a physicist and founder of Terraform Industries, writes about Starship, solar power, and space industrialization.
Top post: Starship is still not understood
Starts With A Bang
medium.com/starts-with-a-bangEthan Siegel writes popular astrophysics and cosmology articles on dark matter, the age and size of the universe, and related physics.
Top post: Five reasons we think dark matter exists a122bd606ba8
ScienceBlogs 2.0
science20.comScience 2.0 is a science news and blog site with contributors writing on physics, space, technology and research findings.
Top post: Is the CDF W Mass Measurement a Nail in the SM Coffin?
Centauri Dreams
centauri-dreams.orgCentauri Dreams is a blog on interstellar travel, space propulsion concepts, SETI, and the prospects of exploring other star systems.
Top post: The Dipole Drive: A New Concept for Space Propulsion
Jerry Pournelle
jerrypournelle.comJerry Pournelle, science fiction author and early tech columnist, wrote on technology, space policy, and politics at Chaos Manor.
Top post: The Iron Law of Bureaucracy (2010)
ESA Blogs
blogs.esa.intThe European Space Agency's blogs cover mission updates, spacecraft operations, asteroid risk estimates, and re-entry predictions.
Top post: Probability of 2024 YR4 impacting Earth in 2032 is now 2.2%
Josh Worth
joshworth.comJosh Worth makes interactive web visualizations, including a scale model of the solar system and a wealth distribution simulation.
Top post: If the moon were only 1 pixel: A tediously accurate solar system model (2014)
Anders Sandberg
aleph.seAnders Sandberg, a researcher in futurism and transhumanism, writes about Dyson spheres, megastructures, the far future of the universe, and the Fermi paradox.
Top post: Torus-Earth
Avi Loeb
avi-loeb.medium.comAvi Loeb, a Harvard astrophysicist, writes about interstellar objects like 3I/Atlas and whether they could be alien technology.
Top post: The IM1 Spherules from the Pacific Ocean Have Extrasolar Composition
Parabolic Arc
parabolicarc.comParabolic Arc covers the space industry, with frequent reporting on SpaceX, Virgin Galactic, NASA and commercial launches.
Top post: Apollo, Ansari and the Hobbling Effects of Giant Leaps
Sat Track Cam
sattrackcam.blogspot.comSat Track Cam is an amateur satellite observer's blog tracking spacecraft, debris, reentries, and classified or military satellites.
Top post: Kosmos 482 Descent Craft reentry forecasts
Astrobites
astrobites.orgAstrobites is a site where graduate students summarize recent astronomy and astrophysics research papers.
Top post: The Alternative to Dark Matter May Be General Relativity Itself
Jonathan McDowell
planet4589.orgJonathan McDowell, an astrophysicist at the Harvard-Smithsonian Center for Astrophysics, publishes space data, launch statistics, and the Jonathan's Space Report newsletter.
Top post: Starlink Statistics
NASA Watch
nasawatch.comNASA Watch is a news and commentary site covering NASA, its management, budgets, policy and spaceflight events.
Top post: Nearby Star Has 7 Earth-Sized Worlds
Daniel Estévez
destevez.netDaniel Estévez is an amateur radio operator and engineer who decodes signals from spacecraft and satellites using GNU Radio and software-defined radio.
Top post: Decoding Voyager 1
Wayne Hale
waynehale.wordpress.comWayne Hale, a former NASA Space Shuttle program manager and flight director, writes about shuttle missions and accidents.
Top post: What to do if the Space Shuttle payload bay doors won't shut properly
Toughsf
toughsf.blogspot.comAuthors of a site that works out the physics of spacecraft, space weapons and megastructures, aimed at science fiction worldbuilding.
Top post: Realistic fusion drive with Epstein Drive-like performance
Space Explored
spaceexplored.comNews site covering SpaceX, Starship, NASA missions and other spaceflight, with detailed posts on launches and hardware.
Top post: Elon Musk says SpaceX faces ‘genuine risk of bankruptcy’ from Starship engine
Dark Roasted Blend
darkroastedblend.comDark Roasted Blend is a visual blog of unusual photos and articles on technology, space history, odd places, and retro-futurist art.
Top post: Rare Photos of the Russian "Buran" space program
James Darpinian
james.darpinian.comJames Darpinian, a software engineer, writes about web graphics, latency, satellite tracking, and skeptical takes on robots and treadmills.
Top post: Show HN: See a Satellite Tonight. No Telescope Required
Astrodigital
astrodigital.orgAstrodigital is a small site hosting space and computing articles, including the well-known essay on the Space Shuttle and a horse's rear end.
Top post: The Space Shuttle and the Horse's Rear End (2000)
The Orbital Index
orbitalindex.comTwo friends run a weekly space newsletter covering industry news, with occasional deep dives; it has since ended.
Top post: The End of the Orbital Index
Armadillo Aerospace
armadilloaerospace.comArmadillo Aerospace was John Carmack's rocket company, whose site documented its Lunar Challenge flights and development updates.
Top post: Home
Roger Launius
launiusr.wordpress.comRoger Launius is a space historian who writes about NASA, the Apollo program and the case for space exploration.
Top post: Why Explore Space? A 1970 Letter to a Nun in Africa.
Planet Stories
medium.com/planet-storiesPlanet Labs' team writes about satellite imagery, geospatial data formats, and mapping and monitoring projects using their Earth observation data.
Top post: Earth’s Wonders Like You’ve Never Seen Them Before
Don Eyles
doneyles.comDon Eyles wrote software for the Apollo Lunar Module guidance computer and writes about its operation and the mistakes made.
Top post: Apollo 11 and Other Screw-Ups
Triton Station
tritonstation.comStacy McGaugh, an astronomer, writes about dark matter versus modified Newtonian dynamics (MOND), galaxy rotation curves, and JWST predictions.
Top post: What JWST Will See
Brian Koberlein
briankoberlein.comBrian Koberlein, an astrophysicist, writes short explanatory posts on astronomy, cosmology, black holes, and dark matter for general readers.
Top post: Known Dark Matter Isn't Enough
Lifeboat Foundation Blog
lifeboat.comThe Lifeboat Foundation, a nonprofit focused on existential risks, publishes blog posts on futurism, transhumanism, AI, longevity, and space.
Top post: Bitcoin's Dystopian Future (April 2013)
Planet Earth and Beyond
planetearthandbeyond.coPlanet Earth and Beyond is a Substack with bearish takes on Tesla, SpaceX Starship, OpenAI, and the AI market.
Top post: Starship was doomed from the beginning
Joe Morrison
joemorrison.substack.comJoe Morrison writes a newsletter about the satellite imagery and mapping industry, drawing on his work at companies in the field.
Top post: Open All of the Satellite Imagery Archives
Taranis
taranis.ieA blog by an engineer with a physics-based perspective, covering space datacenters and the prospects of an AI downturn.
Top post: Datacenters in space aren't going to work
Robert Freitas
rfreitas.comRobert Freitas, a nanomedicine and futurist researcher, hosts papers on xenopsychology, extraterrestrial law, self-replicating probes, and the Fermi paradox.
Top post: Xenopsychology
Bad Astronomy
badastronomy.comPhil Plait, an astronomer and science writer, debunks astronomy myths and explains space topics for a general audience.
Top post: Foxapollo
Telstar Logistics
telstarlogistics.typepad.comTelstar Logistics is Todd Lappin's blog on aviation, aerospace, military technology, and urban oddities, including his official-looking personal vehicle.
Top post: What Is Telstar Logistics?
SatNOGS Blog
satnogs.orgThe SatNOGS project's blog, covering its open-source network of satellite ground stations and its open database of satellite transmitters.
Top post: Open satellite transmitter database opens for contributions
Find Planet Nine
findplanetnine.comAstronomers Mike Brown and Konstantin Batygin post updates on their search for a hypothesized ninth planet in the outer solar system.
Top post: Hunt for Planet Nine Status Update
The Ratchet
theratchet.caBlog on speculative science and futurism, covering population, planets, intelligent life, Boltzmann brains and robots.
Top post: No Population Bomb
Mceglowski
mceglowski.substack.comMaciej Cegłowski, creator of Pinboard, writes a newsletter about Mars, Starship, radiation and space policy.
Top post: How should we think about Starship?
The Egg and the Rock
theeggandtherock.comJulian writes about a cosmology theory he calls evolved-physics holism, including the Blowtorch Theory of structure formation and cosmological natural selection.
Top post: The Blowtorch Theory: A new model for structure formation in the universe
Michael Covington
covingtoninnovations.comMichael Covington is a computational linguist and amateur astronomer who writes on clear writing, astrophotography, and computing.
Top post: How to write more clearly, think more clearly, and learn complex material [pdf]