Far from Earth, a small robotic explorer has just delivered a surprise that planetary scientists have never seen up close ...

Night-side flashes on Jupiter are giving planetary scientists a rare look at how this giant world behaves when it turns away from the Sun. By tracking these elusive lights, a NASA probe is turning ...

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

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends.