Britain's Tate Modern art museum on Thursday revealed a "transformational" donation that its director calls "one of the most ...

Tate Modern in London has received a monumental painting by Abstract Expressionist star Joan Mitchell from ...

Joan Mitchell's painting "Iva" is the centerpiece of a major donation from Florida-based philanthropists Jorge M. Pérez and Darlene Pérez that also will help Tate expand its collection of works by ...