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

It has been more than 20 years since a mission flew so closely by Io, and the spacecraft's camera, called JunoCam, captured high-resolution images that showcased active volcanic plumes ...

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