SAN FRANCISCO (KGO) -- Tuesday is the second most important holiday on the Chinese Lunar calendar. It's when the Mid-Autumn Festival, also known as the Moon Festival, takes place. MORE: ABC7 proud ...

Leaving a mark on the moon’s surface isn’t a new phenomenon. U.S. astronauts, during the late 1960s and early 1970s, left various items on the moon, including American flags and a family photo ...