Space blogs

44 Space blogs that 15 or more Hacker News people shared, 2006 to 2026.

44 blogs

Next Big Future

nextbigfuture.com

A 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

Climate & EnergySpaceScience
370people
2008Group · 3 months ago

NASA Blogs

blogs.nasa.gov

NASA'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

SpaceScience
249people
2009Company · 2 years ago

The Space Review

thespacereview.com

The 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)

SpaceHistory
163people
2007Group · 4 months ago

Casey Handmer

caseyhandmer.wordpress.com

Casey Handmer, a physicist and founder of Terraform Industries, writes about Starship, solar power, and space industrialization.

Top post: Starship is still not understood

SpaceClimate & EnergyEconomics
162people
2019Personal · 4 months ago

Starts With A Bang

medium.com/starts-with-a-bang

Ethan 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

PhysicsSpaceScience
140people
2014Group · 2 years ago

ScienceBlogs 2.0

science20.com

Science 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?

SciencePhysicsSpace
136people
2010Group · 7 months ago

Centauri Dreams

centauri-dreams.org

Centauri 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

SpaceSciencePhysics
124people
2009Group · 3 months ago

Jerry Pournelle

jerrypournelle.com

Jerry 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)

Culture & SocietySpaceBusiness & Strategy
88people
2008Personal · 3 months ago

ESA Blogs

blogs.esa.int

The 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%

SpaceScience
88people
2012Company · 3 months ago

Josh Worth

joshworth.com

Josh 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)

Data & VisualizationSpaceDesign & UX
83people
2014Personal · 3 months ago
A

Anders Sandberg

aleph.se

Anders 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

SpacePhysicsPhilosophy
58people
2009Personal · 4 months ago

Avi Loeb

avi-loeb.medium.com

Avi 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

SpaceScience
56people
2022Personal · 7 months ago

Parabolic Arc

parabolicarc.com

Parabolic 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

Space
44people
2011Group · 3 years ago

Sat Track Cam

sattrackcam.blogspot.com

Sat 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

SpaceScience
43people
2015Personal · 11 months ago

Astrobites

astrobites.org

Astrobites 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

SpacePhysicsScience
43people
2013Group · 4 months ago

Jonathan McDowell

planet4589.org

Jonathan 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

SpaceData & VisualizationScience
40people
2012Personal · 5 months ago

NASA Watch

nasawatch.com

NASA 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

SpaceCulture & Society
40people
2008Group · 5 months ago

Daniel Estévez

destevez.net

Daniel 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

SpaceHardware & ElectronicsNetworking
40people
2016Personal · 6 months ago

Wayne Hale

waynehale.wordpress.com

Wayne 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

SpaceHistory
38people
2012Personal · 1 year ago

Toughsf

toughsf.blogspot.com

Authors 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

SpacePhysicsScience
37people
2016Group · 7 months ago

Space Explored

spaceexplored.com

News 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

SpaceTech Industry
36people
2020Group · 2 years ago
D

Dark Roasted Blend

darkroastedblend.com

Dark 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

HistoryCulture & SocietySpace
34people
2008Group · 3 years ago

James Darpinian

james.darpinian.com

James 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

ProgrammingSpaceWeb Development
34people
2019Personal · 9 months ago
A

Astrodigital

astrodigital.org

Astrodigital 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)

SpaceHistory
29people
2012Personal · 4 months ago

The Orbital Index

orbitalindex.com

Two 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

SpaceScienceTech Industry
28people
2019Group · 10 months ago
A

Armadillo Aerospace

armadilloaerospace.com

Armadillo Aerospace was John Carmack's rocket company, whose site documented its Lunar Challenge flights and development updates.

Top post: Home

SpaceHardware & Electronics
27people
2007Company · 12 years ago

Roger Launius

launiusr.wordpress.com

Roger 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.

SpaceHistory
26people
2012Personal · 1 year ago

Planet Stories

medium.com/planet-stories

Planet 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

Data & VisualizationScienceSpace
26people
2016Company · 1 year ago
D

Don Eyles

doneyles.com

Don 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

SpaceHistoryRetro Computing
24people
2010Personal · 1 year ago

Triton Station

tritonstation.com

Stacy McGaugh, an astronomer, writes about dark matter versus modified Newtonian dynamics (MOND), galaxy rotation curves, and JWST predictions.

Top post: What JWST Will See

PhysicsScienceSpace
20people
2019Personal · 11 months ago

Brian Koberlein

briankoberlein.com

Brian 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

SpacePhysicsScience
20people
2014Personal · 6 months ago

Lifeboat Foundation Blog

lifeboat.com

The 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)

ScienceCulture & SocietySpace
19people
2009Group · 3 months ago
P

Planet Earth and Beyond

planetearthandbeyond.co

Planet 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

Tech IndustrySpaceBusiness & Strategy
18people
2025Personal · 3 months ago
J

Joe Morrison

joemorrison.substack.com

Joe 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

Business & StrategySpaceData & Visualization
17people
2020Personal · 4 years ago

Taranis

taranis.ie

A 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

SpaceHardware & ElectronicsTech Industry
17people
2025Personal · 4 months ago
R

Robert Freitas

rfreitas.com

Robert Freitas, a nanomedicine and futurist researcher, hosts papers on xenopsychology, extraterrestrial law, self-replicating probes, and the Fermi paradox.

Top post: Xenopsychology

SpaceSciencePhilosophy
17people
2010Personal · 4 months ago

Bad Astronomy

badastronomy.com

Phil Plait, an astronomer and science writer, debunks astronomy myths and explains space topics for a general audience.

Top post: Foxapollo

SpaceScience
16people
2008Personal · 3 years ago
T

Telstar Logistics

telstarlogistics.typepad.com

Telstar 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?

Culture & SocietySpace
16people
2008Group · 2 years ago

SatNOGS Blog

satnogs.org

The 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

SpaceOpen Source & LinuxHardware & Electronics
16people
2014Company · 4 months ago
F

Find Planet Nine

findplanetnine.com

Astronomers 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

SpaceScience
15people
2016Personal · 7 years ago
T

The Ratchet

theratchet.ca

Blog on speculative science and futurism, covering population, planets, intelligent life, Boltzmann brains and robots.

Top post: No Population Bomb

SciencePhilosophySpace
15people
2013Group · 13 years ago
M

Mceglowski

mceglowski.substack.com

Maciej Cegłowski, creator of Pinboard, writes a newsletter about Mars, Starship, radiation and space policy.

Top post: How should we think about Starship?

SpaceScienceWriting & Thinking
15people
2026Personal · 3 months ago

The Egg and the Rock

theeggandtherock.com

Julian 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

PhysicsSpaceScience
15people
2024Personal · 3 months ago

Michael Covington

covingtoninnovations.com

Michael 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]

Writing & ThinkingScienceSpace
15people
2009Personal · 6 months ago

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