The delicate form of the crescent moon is set to draw close to the planet Jupiter in the post-sunset sky on April 29, before ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

The Voyager 1 spacecraft had flown past this moon of Jupiter, catching the first glimpse of active volcanism on a world other than Earth. Umbrella-shaped outbursts of magmatic matter rocketed into ...

Starting tonight and continuing for two weeks, we can watch the moon travel from just past new moon all the way to full moon.

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

We could be in for some testing times during April’s Full Pink Moon as Libra’s quest for balance clashes with Mars’ intense ...

A burst of solar wind triggered a planet-wide heatwave in Jupiter’s upper atmosphere, say astronomers at the University in ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

Coming up this Saturday night, May 3, the fat crescent Moon will hover next to the famous blue star Regulus. As the brightest luminary in the entire zodiac and the main star of Leo the Lion, the ...