The cover photo, taken at the Strait of Malacca in Malaysia, captures the Tyndall effect as sunlight filters through the clouds over the tropical Pacific. The interplay of light and shadow ...

After looking at all that information, it named Waikiki in Hawaii the most beautiful place for a sunset in the U.S. It took first place in the nation thanks to its "unobstructed o ...

Traffic on Mauna Kea Access Road, at the Mauna Kea Visitor Information Station and in the summit area has been significantly ...

Noctilucent clouds on Earth are something quite spectacular, thin structures so high that they can still catch sunlight long after sunset ... On the Red Planet, the clouds are not just water ...