If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

A total lunar eclipse occurs this month. Venus transitions from evening to morning, while Mars and Jupiter dominate the late ...

Sedona Red Rock News Managing Editor and Sedona Poetry Slam founder Christopher Fox Graham has become the second Sedona resident to have a celestial body named after him with the recent redesignation ...

But in the grand scheme of the solar system, Earth's Moon isn't as big as you might think. Oberon is Uranus’s second-largest ...

NASA’s Galileo spacecraft, which was designed to study the large, gaseous planet Jupiter and its moons, first caught hints of ...

Sophie (Gugu Mbatha-Raw) has settled in in London when the Surface Season 2 premiere begins. She’s embedding herself in elite British society (and going by Tess, the name on the passport she ...

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

Callisto’s crater-covered surface may be hiding a liquid water ocean. Credit: NASA/JPL-Caltech/Kevin M. Gill, CC BY 2.0. Callisto, one of Jupiter ... they studied the moon’s ionosphere ...

On February 20, Mercury in Pisces forms a square with Jupiter in Gemini, setting the stage for a cosmic tug-of-war. On February 20, Mercury in Pisces forms a square with Jupiter in Gemini ...

This manoeuvre, lasting three minutes and 18 seconds, has brought the lander closer to the lunar surface, approximately 120 kilometres above the Moon. The successful engine burn moved the lander from ...

New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world.

Most nights, if the moon is clear, the celestial body hovering in the night sky shines with a bright silvery aura. It can be a fetching sight, especially when the moon is full and unobscured by ...