For now, the tiny new moon has a clunky name, but if it passes peer review, they might call it something better.

But Ganymede is still moving westward, while Europa is now moving eastward, back toward the planet. Around 9:30 P.M. EDT, the two moons stand in a north-south line, with Europa north of Ganymede.

Phases of ice that exist naturally only on frozen moons could be detected using infrared spectroscopy, according to new ...

To its upper left, Uranus lies just over the border in Taurus. Binoculars or a telescope will show the magnitude 5.8 planet, which lies less than 0.5° east of a brighter magnitude 6.5 field star.

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

Invisible without a telescope or binoculars is an even more distant world: Neptune. It sits 4° east of Venus tonight and will feature in our entry for tomorrow. Sunrise: 7:12 A.M. Sunset: 5:15 P.M.

The ocean on Ganymede may have more water than all the water on Earth. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed ...

Tuesday, 29 April 2025 Credit: NASA, ESA, STScI Rosette Nebula This is a Hubble Space Telescope image of a small portion of the Rosette Nebula, a vast star-forming region spanning approximately 100 ...