Gold added $1.70 or 0.1 percent to settle at $1,715.50 per troy ounce on the Comex division of the New York Mercantile Exchange.
Silver gave up 6 cents to $32.62 per ounce, off 0.18 percent.
The euro rose to $1.2784 from Wednesday's $1.2735. Against the yen, the dollar rose to 81.21 from 80.25 yen.
Astronomers offer more expansive view of universe
McPhee, Cokas 'working on their marriage' after affair