Dinosaur teeth have ancient air trapped inside of them

Today's advice for America's founding fathers

War in Ukraine officially longer than World War I

Newly renovated Reflecting Pool turns green

Timelapse: '86 47' appears on National Mall

Slavery is both “nowhere” and “everywhere” in the Constitution

Anti-immigrant protests in Northern Ireland turn violent

Bruce Springsteen's museum dedicated to American music

How Trump influences Israeli opinion, elections

😎 Happy Father's Day from Lou Loops! 😂 | Lyla in the Loop | PBS KIDS #Shorts

WATCH: Trump pressed on convincing U.S that Iran deal is a victory

UK announces social media ban for teens under 16

Yum Brands to sell struggling Pizza Hut for $2.7 billion

Pope Leo blesses Barcelona's Sagrada Familia Basilica

WATCH: Historic cathedral in Kyiv burns after Russian strikes

Interfaith group considers religion in America's founding

How Iranians find new ways to resist in dark moments

WATCH: Tensions increase as 'true scale' of Ebola remains unknown

Events happening in Washington, D.C., for Freedom 250 #shorts

Who is the only woman to receive the Medal of Honor?