A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...

The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

Venus and Saturn currently set in the west by roughly 8:30 p.m., while Jupiter sets around 4:30 a.m. and Mars is visible all ...