The fifth planet ... as Jupiter itself. The largest moon in the solar system, Ganymede is also the only moon known to have its own magnetic field. Volcanoes rage on Io's surface, earning it ...

Observations of Jupiter show that ammonia is unevenly ... reaching only 10 to 20 kilometers below the visible cloud deck or "surface" of the planet, which has a radius of 70,000 km.

NASA’s Juno probe has been orbiting Jupiter since 2016, and it’s still sending back fresh data. The spacecraft is giving ...

A group of swirling storms at Jupiter's north pole are bouncing off each other, like bumper cars at the fairground.

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India The planet Jupiter has no solid ground – no surface, like the grass or dirt ...

NASA’s Juno mission has unveiled new insights into Jupiter’s fierce winds, cyclones, and volcanic activity on its moon, Io.

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

The weather forecast for Jupiter ... hit this surface," said Moeckel. "The question is: what happens if you take the surface away? How far do the raindrops fall into the planet?

A burst of solar wind triggered a planet-wide heatwave in Jupiter’s upper atmosphere, say astronomers at the University in ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

As a gas giant, Jupiter has no solid surface. Instead, its atmosphere becomes gradually hotter and denser as you travel deeper, compressing the hydrogen and helium into strange states of matter. Most ...