Notice the red ring around our planet. Everywhere you see that ring is either a sunrise or a sunset. And while it's true that no direct sunlight is reaching the lunar surface at this moment ...

Earth crosses through Saturn’s “ring plane,” making the gas giant’s most iconic feature become nearly invisible ...

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...

Saturn is everyone’s favorite planet, it seems. Through a telescope those glorious rings make that world appear so three-dimensional that it’s not ...