Quadruple Saturn Moon: On February 24, 2009, the Hubble Space Telescope took a photo of four moons of Saturn passing in front of their parent planet. In this view, the giant orange moon Titan casts a ...

These findings cast doubt on earlier hypotheses and raise the possibility that Uranus and Neptune are home to a dynamic system of storms and atmospheric currents. Similar to Jupiter and Saturn, the ...

Earth's Moon: NASA's Galileo spacecraft took this image of Earth's Moon on Dec. 7, 1992, on its way to explore the Jupiter system in 1995-97. The Moon is Earth's only natural satellite.

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

People in the northern hemisphere will be able to see Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars during the planetary parade. The next full moon will happen on Feb. 12. Known as the ...

Read more: Full Moons Explained, From Blue Moons to Supermoons ... you'll only have a couple of hours to view them before Venus, Saturn and Neptune dip below the horizon for the evening.