Grist reports on a new study showing that exposure to high temperatures adds up to 14 months to older adults' cellular age.

China has announced it will impose a 34% tariff on imports of all U.S. products beginning April 10, part of a flurry of ...

Madison Trujillo, a student at Bouse Elementary School, was one of the 15 winners from around Arizona of the AZ529 “Dream, ...

Applications open Wednesday for Arizona's Copper State Draw, offering a rare shot at prized big-game hunts. The Arizona Game and Fish Department began accepting applications April 2 for its rebranded ...

Time to put your two-wheeler to good use on these scenic, fun bike paths—one in each state. Bicycling is as popular as ever, ...

Grassroots Democrats were incensed by Trump’s first victory — with some talk then of primary challengers to leaders — but they mostly channeled their anger toward the president and the GOP, planning ...