The star-studded event brought together former presidents, first ladies, celebrities and world leaders, producing a string of candid moments that often felt more like a family reunion.

Hillary Clinton broke into a giggling fit during the opening of Barack Obama's presidential library ... cracking up at what might've been a subtle dig at President Donald Trump ... and the punch line ...

Hillary Clinton couldn't hide her reaction after Michelle Obama delivered a slight dig toward Donald Trump in her speech ...

Obama let one particular line linger and the crowd erupted in applause.

Winning” — which she emphasized — “a peace prize.” She barely finished the word “prize” when Hillary Clinton’s full-throated ...

More than a decade in the making, the Obama Presidential Center opened Thursday on Chicago's South Side with four former presidents, A-list entertainers and thousands of visitors in attendance. Why it ...

President Barack Obama officially endorsed Hillary Clinton’s run to the White House on Thursday in a video posted to YouTube. “Look, I know how hard this job can be. That’s why I know Hillary will be ...

As Barack Obama solidifies his lead, Hillary Clinton is shaking things up with a revamped message and sharper digs at her party's front man. Her commanding lead in the race for the Democratic ...