Hartley, 5, center, and mom Megan Arnett, who serves as executive director of Berkeley Center for Green Chemistry, ...

There have been 26 official versions of the American flag spanning the more than 240 years of the nation’s history. But who ...

The United States Postal Service (USPS) has unveiled new Forever stamps honoring Revolutionary War battlefields. Why It ...

On Patriots’ Day, far-right groups may use historical events and patriotic symbols to claim they are engaging in a ...