The first celebration of the U.S. Flag's birthday was held in 1877, on the 100th anniversary of the Flag Resolution of 1777. However, it is believed that the first annual recognition of the flag's ...

As millions watched Kendrick Lamar's halftime performance at the Super Bowl on Sunday night, one performer jumped atop a car prop and unfurled a half Sudanese-half Palestinian flag before they ...

There are at least 13,000 species of lichens living throughout the world. Lichen species are so numerous and diverse that there are individual exceptions to most general statements about them.