Art by TerranAmbassador There are eleven moons of the gas giant Wanaxar . At least four of the moons are habitable due to their large size, ...

This post first appeared in 2011...   There are places in Nla-Ogupta--that ancient, decadent, Venusian Venice--where Terrans do not go. Th...

  This continues my pulp DIY anthology of the solar system I first mentioned in this post on the Jovian moons. This time, another cold, dis...

The " Old Solar System " with a wet, fecund Venus, and a habitable desert Mars, doesn't have the be the relegated to pulp retr...

So here's the pitch: Sometime in the future, an early spacefaring humanity encounters a gate and gains access to a system of FTL vi...

Continuing my random old science fiction solar system generators here with one for the asteroid belt. The asteroids are much less specified ...

The "Old Solar System" is a term that has been used to refer to the more romantic views of our planetary neighbors before space pr...

I alluded to this yesterday, but I thought I should expand on why I have a bit of trouble with the "Planes as Planets" idea. Fi...

"Life on Other Worlds" was a feature that appeared periodically in Planet Comics in the 1940s. Most were drawn by Murphy Anderson,...

Mercury is the least defined of the inner planets in pulp and early sci-fi. Beyond it being tidally locked   (which we've since learn...

Mars shows less variation that Venus in pulp and old sci-fi sources. Still, not all Marses are alike, so you deserve your own unique yet...

Modern science tells us Venus is a hellscape resulting from runaway greenhouse effect, but that was not always the way we imagined it to b...

In moments stolen from other projects (or day jobs), Jason Sholtis and I have been bandying about ideas for a Sword & Planet setting ...

This post is from 2015, but I really like the map, so I felt like it was worth revisiting... This is a "work in progress map of t...

The most farflung civilized court of the Cosmos is that of Bethor, the convivial Oyarses of Jupiter. In the great hall of a domed palace ...

From the pages of the upcoming Strange Stars OSR , here are three worlds detailed in Stars Without Number style: BOREAS Tags  Seagoing...

There are a lot of good planet generators in science fiction rpgs from the very science-minded ones in GURPS Space and the original vers...

The sphere of the Moon is a threshold, the place where travelers from the Earth pass into the more rarified aether of the heavens. Despite i...

I may do a more robust drop dice and random table thing for this that might be fairly applicable to weird islands, but for now here are s...

On Google+ the other day, Evan Elkins sparked a conversation about the portrayals of Mars in the works of Clark Ashton Smith, CL Moore, a...