Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

It is well known that phosphorus is essential to life’s existence. For this reason, there has been a continued interest in ...

A sizzling exoplanet caught by the James Webb Space Telescope is shedding its atmosphere and leaving behind two gigantic helium tails.

What effects can an exoplanet orbiting close to its star have on the former’s atmosphere? This is what a recent study ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant star ...

Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP ...

By contrast, Saturn's atmosphere is layered more deeply. There, either weaker forcing reduces deep turbulence, or more energy ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...