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

Since this past September, Saturn’s been the best planet to enjoy through even a small telescope, even though its ring system ...

Step through the ultimate visual tour of the outer solar system. From Mars’ iconic rover panoramas to Jupiter’s Great Red ...

Jupiter harbors more oxygen than the sun, a new study finds, giving astronomers a crucial clue about how our solar system's ...

Unlike earlier studies, which often examined chemistry and atmospheric motion separately, the new simulations combined both.

New research using detailed atmospheric models shows Jupiter contains excess oxygen, helping explain its origins and deep atmospheric dynamics ...

The giant planet Jupiter is back in our evening sky this week. Fresh from its opposition with the sun on Jan. 10, it now lies as close to the Earth as it ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

The abundance of oxygen inside Jupiter is a major, unsolved problem. For decades, researchers have argued about this value, ...

Scientists have used sophisticated computer simulations to explore the atmosphere of Jupiter. The research has revealed some ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.