London's Tate Modern unveiled a huge, spectacular abstract painting by acclaimed US artist Joan Mitchell on Thursday, part of one of the "most significant gifts" to the gallery in recent decades.

LONDON — Britain’s Tate Modern art museum on Thursday unveiled one of the most significant gifts it has received in years – a masterpiece by an American abstract expressionist that hung for ...

Turning 25 this year, Tate Modern in London has much to celebrate, but no birthday is complete without a few presents. Today, the museum announced that it has been given a monumental triptych by ...

LONDON (AP) — Britain’s Tate Modern art museum on Thursday unveiled one of the most significant gifts it has received in years – a masterpiece by an American abstract expressionist that hung ...