Heads up stargazers! The shadow of Saturn's largest moon Titan will skim across the gas giant's swirling cloud tops in the early morning hours of Sept. 4. Here's everything you need to know about how ...

Efrain Morales captured the image of Titan's shadow darkening Saturn on July 18, while the gas giant was over 800 million miles from Earth. Amateur astronomer Efrain Morales captured a breathtaking ...