On Oct. 14, the last-quarter moon rises with Jupiter and Pollux, forming a wide triangle in the pre-dawn sky. Here’s how to ...

Tonight, the Moon will pass close to bright Jupiter, offering stargazers a striking and easily visible sight. This naked-eye event will make two of the night sky’s brightest objects appear side by ...

The moon, just hours past its last quarter phase, will rise above the east-northeastern horizon shortly before midnight local ...

Looking for a sky event this week? Check out our full Sky This Week column. October 12: The Saturn Nebula shines Last Quarter ...

These Martian dunes in Mars' northern hemisphere were captured from above by NASA's Mars Reconnaissance Orbiter using its ...

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the early morning hours of Sept. 16 to see the moon conspire with Jupiter and the ...

Tonight, the Moon and Jupiter will have a close celestial encounter. This rare pairing can even be enjoyed with a naked eye.

All that is due to happen in the early 2030s, and in the meantime, JUICE is slowly traveling in the inner Solar System. The ...

The eight largest moons in our solar system are Ganymede, Titan, Callisto, Io, Earth's Moon, Europa, Triton, and Titania. Ganymede is the largest, measuring 5,270 km in diameter.

The seven most marvellous moon images by NASA include Titan, Ganymede, Io, Mimas, Europa, Phobos, and Enceladus.

Our solar system’s largest moon, Ganymede of Jupiter, has never been completely mapped — until now. Scientists led by Wheaton College’s Geoffrey Collins combined data from NASA’s Voyager 1, 2 and ...