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

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 ...

In the course of his life, Galileo clashed with other philosophers and religious figures who were committed to the geocentric ...

February’s night skies hold a certain celestial splendor that only enthusiastic and vigorous skywatchers have the fortitude ...

Damhán Alla’ – the Irish for spider or wall demon – is the name given to the spider-like feature on Jupiter’s icy moon Europa by a team of researchers led by an Irish planetary scientist. Researchers, ...

Galileo Galilei was the most brilliant astronomer of his time, armed with a telescope and an obsession with truth. In the ...

Sky Shorts author says Orion a favorite constellation, and shares key details to find and appreciate its beauty.

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

Europe's space leaders were told to "speed up" security missions and launch the IRIS2 satellite constellation by 2029 at the ...

True Blood, Pluribus, Justified, Agents of S.H.I.E.L.D., House, Sneaky Pete, and more make up our list of Karolina Wydra's ...