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

A moon can sit next door to another and still feel like a different world. Around Jupiter, that contrast shows up fast.

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 ...

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 ...

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 ...

The year 2026 will feature 13 full moons, including a rare monthly blue moon in May. Three supermoons, when the moon appears larger and brighter, will occur in January, November and December. A blue ...

There will be 13 full moons in 2026. Three supermoons are in store for 2026. The first full moon of 2026 is known as the "Wolf Moon." It's time to start thinking about the 2026 lunar calendar. In 2026 ...