Io orbits close to Jupiter at an average distance of 262,000 miles (422,000 km), completing its elliptical cycle once every 42.5 hours. Due to the shape of its orbit, the moon's d ...

Rare ‘cold moon’ set to rise for last time until 2043 - The rare ‘cold moon’ will rise at 3.20pm on Sunday and set at 9.44am ...

December's full moon, the "Cold Moon," rose in a blaze of color on Sunday night as the year’s final supermoon.

The Cold Moon, the last full Moon of 2024, coincided with a rare 'lunar standstill', making it the most northerly Moon in ...

The Griffith Observatory is holding a public and online viewing of something called the "major standstill northern moonrise" ...

Visible since Dec 14 in some parts of the world, it reached its peak fullness on Dec 15 in Singapore. Read more at ...

On December 21 the Sun enters Capricorn, and this is the Winter Solstice (AKA: Capricorn season begins). Winter solstice is seen as a significant time in many cultures and countries when things go ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

The Cold Moon on Dec. 15, 2024, will not reach 100% illumination, will shine close to three bright stars and a planet, and ...

Clouds produced an incredible lunar halo that was widely seen in the D.C. area Friday night. Depending on cloud cover, there ...

German astronomer Simon Marius is best remembered for his disputes with Galileo Galilei over priority for discovering Jupiter ...

Io's volcanic activity explained without magma ocean evidence Tidal heating powers volcanic eruptions on Jupiter's moon ...