June 14, 1777, the Continental Congress issued a resolution making the Stars and Stripes the nation's flag. Enjoy a little red, white, and blue from across the Smithsonian. Visit the O Say Can You See ...

The moon passes through the darkest part of Earth’s shadow, called the umbra, turning the chalky-white surface into a red-orange color, hence being called a Blood Moon. This color change occurs ...

March's full moon will turn a different color for a bit tonight. But why? Here's why the moon takes on a red or orange color during a lunar eclipse.

While lunar images have proven that the American flags planted during the Apollo missions are still standing on the moon, lunar scientists ... are probably completely white by now.