Every week we spotlight the most intriguing world the community has forged. Think you can build something rarer, stranger, more alive? Create your planet — the most unique one could be featured next.
Create a free profile and keep every world you build. Choose which stay private — shared only by link — and which go public in the gallery.
Soon you'll arrange your planets into whole star systems — set their orbits around a shared sun and watch the system come alive.
Every public system joins one growing galaxy to explore and remix — a universe built entirely by the community, one world at a time.
Choose a composition, a star, and an orbit.
See your world take shape over billions of years.
Name it, save it, and share a page anyone can open.
Juno probe reveals what's happening beneath the surface of Jupiter's most volcanic moon Io
Peering beneath Io's crust shows how relentless tidal heating builds a world of constant volcanoes — a natural lab for understanding the molten, lava-covered planets found around other stars.
Build a Lava World →Io's volcanic output offers a 40-day forecast of plasma density in Jupiter's magnetosphere
It shows how tightly a giant planet and its moon are bound: Io's eruptions feed Jupiter's vast magnetic bubble, giving scientists a way to forecast the space weather around our solar system's largest planet.
Build a Gas Giant →Planet hunter gets the silent treatment | Space photo of the day for July 24, 2026
PLATO is being readied to search thousands of Sun-like stars for Earth-sized planets; clearing these tests keeps humanity's next great planet-finder on track for launch.
Young rift flanks suggest Venus remains tectonically active
If Venus is still tectonically alive, it reshapes how we read rocky worlds everywhere — and what tips a planet toward Earth-like versus runaway hothouse.
Build a Venus Like →NASA's new space telescope will tackle some of the universe's biggest mysteries
Roman isn't just for cosmology — its huge survey camera is designed to uncover thousands of new exoplanets through microlensing and even image giant worlds directly, a major leap for planet hunting.
NASA's MAVEN illuminates new understanding of auroras at Mars
Watching how Mars lights up teaches us how a rocky planet without a global magnetic field interacts with its star, the same physics that shapes whether distant rocky worlds can hold onto their atmospheres.
Build a Rocky →Discovery of exoplanet with one of the longest orbits yet heralds a shift in the search for Earth-like worlds
Spotting a giant planet on an unusually wide orbit shows detection methods are finally reaching the cooler, farther-out worlds that most planet surveys still miss.
Build a Gas Giant →A quiet host in an active planet-forming disk: optical spectroscopy of WISPIT 2
Systems where we can actually see planets being born are rare. WISPIT 2 offers a near-live view of giant planets assembling inside the disk of gas and dust around their young star.
Build a Gas Giant →
