Sky This Week is brought to you in part by Celestron. Friday 20Once the waxing Moon sets this evening, its disappearance ...

The planet Jupiter, a gas giant and the king of our Solar System, has just been measured as slightly smaller than what is reported in astronomy textbooks. This might require an update of ...

Discover fascinating facts about Galileo Galilei's life, inventions, and contributions to science in this engaging quiz.

KENNEDY SPACE CENTER — NASA's Europa Clipper mission on Monday launched a satellite to investigate Europa, Jupiter’s “mysterious moon” — a world covered in ice that scientists say could have an ocean ...

Looking for a sky event this week? Check out our full Sky This Week column. February 6: Cancer's other open cluster Jupiter still dominates the constellation Gemini, visible all night and into the ...

Sky This Week is brought to you in part by Celestron. Friday, 6The bright star Sirius dominates the southern sky late this evening, blazing high in the south around 10 P.M. local time. You ...

The ringed giant Saturn has 274 known moons, more than any planet, including the largest, Titan who is bigger than Mercury, to potato-shaped irregularities. These frozen worlds provide evidence of ...

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.

There’s no mistaking Jupiter in the sky these Butler 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 ...

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

A new international study co-led by Aix-Marseille University and Southwest Research Institute (SwRI) reveals that the striking contrast in the water contents of Jupiter’s Galilean moons was ...