The Sand to Snow National Monument is one of three California areas designated as national monuments on Friday. Together they protect nearly 1.8 million acres of public lands. Bob Wick/Bureau of Land Management hide caption

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An image from a simulation of two black holes merging. Courtesy of SXS Collaboration hide caption

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Facebook board member Marc Andreessen, a Silicon Valley venture capitalist who uses Twitter prolifically, has apologized for tweets suggesting he supported colonialism. Kimberly White/Getty hide caption

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Republican presidential candidate Jim Gilmore greets voters Tuesday outside the polling place at Webster School in Manchester, N.H. He got 134 votes in the Granite State, fewer than three bigger-name candidates who already had dropped out of the race. Scott Eisen/Getty Images hide caption

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The Philae lander, seen here heading to a comet's surface after leaving the Rosetta spacecraft in 2014, isn't expected to send any more signals, the European Space Agency says. ESA/Rosetta/MPS for OSIRIS Team hide caption

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Pope Francis will meet Patriarch Kirill in Cuba, in a historic step to heal the 1,000-year schism that has divided the Roman Catholic and Russian Orthodox churches. Andrew Medichini and Ivan Sekretarev/AP hide caption

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Bottles for sale at Passage de la Fleur, a natural wine shop in Brooklyn, N.Y. For some, natural wines must be completely unadulterated — without the use of sugar, clarifiers or other additives common in modern winemaking. Other natural winemakers, however, will use a little sulfur dioxide or added yeast to correct problems, according to Stephen Meuse, a wine buyer in Massachusetts. Andrea Shea for NPR hide caption

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Bernie Sanders told supporters after winning the New Hampshire primary, "The American people bailed out Wall Street; now it's Wall Street's time to help the middle class." J. David Ake/AP hide caption

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