From Arizona's canyons to Utah's buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

Eight green sea turtles were released back into the Atlantic Ocean on Tuesday, nearly a month after an arctic blast brought a rare snowfall to northern Florida and left the ...

As crews work to remove potentially hundreds of thousands of tons of hazardous materials from the Los Angeles wildfires, ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...