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Posts in Category: Spaceflight

Browse our most recent analyses and observations — from orbital mechanics to propulsion systems, we cover the successes, the failures, and all the moments that make you pause and think, “Sure… but why?”

Axiom Mission 4 Launches to a Leaky ISS

Axiom Mission 4 Launches to a Leaky ISS

Posted on 27th Jun 2025

The International Space Station is really starting to show its age. It's a bit leaky these days, particularly on the Russian side. The Zvezda module had had a worsening air leak since 2019. It's bad enough that the US think it could lead to a catastrophic failure, which, maybe... It is a signifi...

The Other Moon Race

The Other Moon Race

Posted on 13th Jun 2025

There’s been talk over the last few years about a lunar base called the ILRS (or the International Lunar Research Station). It would be built near the south pole of the Moon, with additional outposts near the lunar equator and a space station orbiting overhead. The idea is that the whole thing wou...

The Data Is Fine, The Rocket Is Not

The Data Is Fine, The Rocket Is Not

Posted on 30th May 2025

This is becoming increasingly regular for Starship. We know SpaceX takes a fail-fast, learn-fast approach, but this is the third launch in a row that's ended in rapid unscheduled disassembly. Elon was meant to talk to the press after the launch, but he disappeared instead. Only hours later did h...

Gilmour Space: A Date And A Dream

Gilmour Space: A Date And A Dream

Posted on 7th Mar 2025

Gilmour Space is about to launch its Eris rocket – this time for real! We have a date. The launch window opens March 15. Just to clarify, the delays have generally been out of their control. There have been quite a few regulatory hurdles to overcome, not least being that this is the first time th...

Luch-2 And The Very Suspicious Orbit

Luch-2 And The Very Suspicious Orbit

Posted on 22nd Nov 2024

We recently heard that a Russian satellite called Luch-2 ("Luch" meaning ray in Russian) had a close approach with another satellite while in geostationary orbit. Geostationary orbits are inhabited by our navigation, communication, and meteorological satellites. The suspicion? That Luch-2 was ea...

Boeing Starliner to Launch Soon (Maybe)

Boeing Starliner to Launch Soon (Maybe)

Posted on 12th Apr 2024

The Boeing Starliner has a new launch date: May 1. If you were wondering – yes it has been delayed again. But now there's hope that it might finally go ahead. The two increasingly brave astronauts, Butch Wilmore and Suni Williams, have named their spacecraft Calypso after Jacques Cousteau’s rese...

The Final Frontier (Terms and Conditions Apply)

The Final Frontier (Terms and Conditions Apply)

Posted on 9th Dec 2022

Being almost the holidays, this might be a good time to talk about space tourism. Let’s ignore the advertising of well-known rocket launch companies and the hyperventilating of overly enthusiastic journalists for a moment and imagine that we have actually entered “the era of space tourism” (CBS, R...

Billionaire to Launch to ISS

Billionaire to Launch to ISS

Posted on 28th May 2021

Good news. Billionaire Yusaku Maezawa will be heading to the ISS as a private astronaut in December of this year. Maezawa will be the first private astronaut to set foot on the ISS in 10 years. If you have no idea who Maezawa (or @yousuck2020) is, he is the Japanese fashion billionaire who is fa...