Artist Barry Rosenthal builds these assemblages to illustrate the extent of marine pollution. He keeps trash in his studio for months—sometimes years—until a critical mass of color emerges.

An almost complete dinosaur skeleton will be sold at auction in Paris next month. The 150 million-year-old camptosaurus was discovered in the 1990s in the US state of Wyoming. It was named Barry ...

The artist Barbara Chase-Riboud hadn’t had a show in her adopted city since 1974. Now she is being celebrated in eight museums, including the Louvre. By Farah Nayeri Reporting from Paris The ...