The $450 million collection of Donald Marron is the art market's ultimate prize. Now, @PaceGallery , @AcquavellaArt , and @Gagosian  are teaming up to sell it:

We're back with another edition of "15 Minutes With a Price Database Power User," our interview series where we catch up with the art world's most influential players.

This remarkably ordinary woman took photos with hundreds of celebrities—and her scrapbook is an accidental work of art:

From the celeb sightings to the market maneuvers to the activist events, here’s a round-up of everything Artnet News published about @FriezeArtFair  Los Angeles:

Attendance has always been a narrow way to define success. That's why this museum is using data science to measure its "social impact":

Rumors swirl that Greece's demand for the Parthenon marbles could gain traction in the Brexit trade battle:

France charges dissident artist Pyotr Pavlensky with invasion of privacy for leaking a Paris politician's sex tape:

BREAKING: A stunning legal decision just upheld a $6.75 million victory for the street artists whose works were destroyed at 5 Pointz graffiti mecca. @KinsellaEK  reports:

Three enchantingly painted houses in the lost city of Pompeii are finally open to the public after a 40-year restoration project:

The veteran British sculptor Richard Long makes his mark at the Mexican Modernist Luis Barragan's masterpiece.