A painting by the Dutch painter Rembrandt van Rijn that was recently discovered in the attic of a Maine home has sold for nearly $1.2 million at auction. The 17th century oil painting in a hand ...

Behind a glass barrier, conservators are removing the painting’s old varnish as it hangs on its gallery wall—the first step in the masterpiece’s restoration. Rembrandt’s 12.5- by 15-foot ...

In a delicate operation that takes barely a minute, she applied the tissue, laced with solvent, to the painting, before covering it with a flexible plastic square.