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 ...

A bespoke musical portrait by pianist Arsha Kaviani and personal repoussé artwork are just two new offerings from The Vault ...

Tate director urges British art collectors to be more philanthropic as US tycoon gifts masterpiece - Gallery unveiled new multi-million pound painting donated by Miami businessman ...