The Io–Jupiter system is similar, in scale, to an exoplanet orbiting an M-dwarf, and if volcanic Io doesn't have a magma ocean then perhaps exoplanets on close orbits around M-dwarfs don't either.

For instance, the Hubble Space Telescope entered safe mode relatively recently as scientists worked on remedying some ...

19, 2024 — By staring into the hellish landscape of Jupiter's moon Io -- the most volcanically ... an extraordinarily low-density giant planet orbiting a distant Sun-like ...

Jovian storms can rework the whole chemical makeup of Jupiter's deep atmosphere by picking up ammonia from and dropping it somewhere else.

Volcanoes rage on Io's surface, earning it the title of ... Planet Jupiter, explained And when NASA's Juno spacecraft began orbiting Jupiter in 2016, it quickly started sending back breathtaking ...

Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters of more than 3000 kilometres. However, as of April 2023, we know it is also home to 91 additional small satellites.

Or perhaps more likely, look at under a microscope. The latest candidate for hosting nearby life is Jupiter’s moon, Io. Let’s take a look at what makes Io special, and what we might hope to ...

Io is the closest moon to Jupiter and is one of the most inhospitable places imaginable. Earth's moon, by comparison, is the fifth-largest moon and is nearly the same size as Io. Here's a chart of ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. NASA Jet Propulsion Laboratory ...

Io is the closest moon to Jupiter and is one of the most inhospitable places imaginable. Earth's moon, by comparison, is the fifth-largest moon and is nearly the same size as Io. Here's a chart of ...