For the third year in a row, tech billionaire Mark Zuckerberg ran the Stanford Medicine My Heart Counts 5K—this time crossing the line in 20:35 on Sunday. Zuckerberg, running under the name “Martin ...

As Facebook’s popularity surged, Zuckerberg began building a social media empire, acquiring some of the most popular startups ...

Mark Zuckerberg’s political ideology and tastes have evolved. His real estate portfolio reflects the shift. Mr. Zuckerberg’s new home, shown here in a picture provided by the architect.Credit ...