In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.

Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...

What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the ...

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends. In fact you should be able to easily see it long before twilight fades.

This famous photographic collage, produced by the Jet Propulsion Laboratory — the NASA center responsible for the Solar System exploration programs — was assembled from images captured by Voyager 1 ...

Jupiter can be easily spotted in the constellation Gemini, located just below and to the right of Castor and Pollux, the two brightest stars in the constellation. Castor appears white and Pollux has ...