Advocates for limits on indiscriminate outdoor lighting that are obscuring night skies worldwide are recognizing efforts by an oil and natural gas developer to reduce ...

The secretary of the interior toured a geological wonder near Palm Springs last year that directly led to the creation of California's new national monument.

Going on a tour in the heart of the Navajo Nation takes you to ancient ruins and sacred places that most tourists never see.

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How do you think that could be done for organized sports? CreditClockwise, from top left: Hannah Beier for The New York Times; Ashley Gilbertson for The New York Times; Alika Jenner/Getty Images ...

After Donald Trump suggested he might take over Greenland by force, the consensus among the island’s population appears to be bewilderment and anxiety. By Jeffrey Gettleman and Maya Tekeli ...