Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any other planets present.

Jupiter’s Great Red Spot (GRS) has fascinated astronomers for over 150 years. This massive storm, large enough to engulf ...

This means the gravitational force that it feels from Jupiter changes throughout its orbit, twisting and squeezing the interior of the moon, which results in energy being released as heat.

Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the ...

The frictional heat buildup in its interior causes constant and widespread volcanic activity. Scientists think there’s an ocean of magma under its rocky surface. Io, which orbits Jupiter every ...

Do all exoplanets known as “hot” Jupiters orbit alone in their respective solar systems, as has long been observed? This is what a recent study | Space ...

Jupiter's moon Io is the most volcanically ... "This constant flexing creates immense energy, which literally melts portions of Io's interior," says Bolton. "If Io has a global magma ocean ...

Hydrogen and helium separate at pressures and temperatures found within the gas giant Jupiter’s marbled exterior is pretty familiar territory, but it’s still not clear what happens far below ...