Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

A stunning Blood Moon March 13/14 caps off plenty of planetary action and sparkling stars in the sky this week.

The Io Observer would explore a fiery moon of Jupiter to better understand ... understand our rocky satellite’s interior, from its core up to its crust. The Saturn Probe would be exactly what ...

The flowing water likely wraps around a solid rocky core. If true, that would make Callisto a close sibling to Europa, another moon of Jupiter. Though the existence of an ocean remains ...

In late January this year, NASA’s Psyche spacecraft turned its cameras to the sky and captured some incredible images. The ...

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Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Jupiter’s moon Io, the most volcanically active body in the solar system, is littered with hundreds of erupting volcanoes. High-resolution images now reveal several dozen lava lakes, researchers ...

Get Instant Summarized Text (Gist) Data from NASA's Juno spacecraft revealed unexpected variations in electron energies within the Alfvén wing connecting Jupiter and its moon Io. These electrons ...

Scientists have confirmed that the Moon has a solid inner core with a density similar to iron. The core's structure mirrors that of Earth's, with a fluid outer layer and solid inner core ...

NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. Before Voyager 1 flew by Io, scientists ...