One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

Like only a few other stars in the sky, Kappa Gem is so close to Earth — and so large — that astronomers have been able to measure its angular size ... that Jupiter’s Great Red Spot ...

"It's like trying to spot a fish by looking for ripples ... stars' are bad at relationships too — Earth-size planet discovered around cool red dwarf star shares its name with a biscuit Initial ...

Assembled and enhanced from three Voyager 1 negatives, this picture shows Jupiter’s swirling clouds and Great Red Spot. Last July ... you needed to compare the composition of Jupiter with ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

Below is a full draft profile for Sanders, including his scouting report, prospect ranking, pro comparison ... in the entire FBS. In the red zone, Sanders completed 71.4% of his throws for ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

The weather forecast for Jupiter now includes softball-size hailstones, known as "mushballs," that are brewed by violent thunderstorms raging in the planet's turbulent atmosphere, a new study finds.