Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...

The moon is intimately familiar to most people simply because it's a constant in the night sky, but its interior is more of a ...

In Io's case, Jupiter's intense gravity tugs on the much smaller moon as the latter orbits in an elliptical (oval-shaped) pattern, meaning Io is closer to Jupiter at some points during its orbit ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

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 ...