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

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

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

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

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

Sky This Week is brought to you in part by Celestron. Friday3Pluto reaches conjunction with the Sun at 5 A.M. EST. Also this ...

Looking for a sky event this week? Check out our full Sky This Week column. January 20: Comet Schaumasse slides by some ...

Looking for a sky event this week? Check out our full Sky This Week column. January 19: Where Messier started: M1 Comet ...

What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among the stars of the constellation Gemini. Here's where to look and what to ...

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 ...