Winter constellations shine defiantly in the face of spring as galaxy season and zodiacal light beckon.

What time is the new moon sighting tonight? Here's when and what to know about new moon phase today and next full moon 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.

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

New research suggests that Jupiter’s icy moons may have formed with complex organic molecules already embedded in their building blocks.

In the early morning hours of Tuesday, March 3, a total lunar eclipse will pass over the United States and it will be seen in ...

This first-ever complete map of Jupiter's volcanic moon Io released on March 19, 2012, was created using data and images from NASA's Galileo spacecraft, (which studied Jupiter and its moons between ...

Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays ...