More Parks Science Stories

Celebrate Christmas the John Waters way.

Also on Arizona Spotlight: "The 89-90 Trip" spends a day in Yellowstone National Park; and the legacy of ecologist Aldo Leopold.

Grand Canyon fossil footprints reveal early desert dwelling animals

Fossil footprints survive as evidence of the animal occupants of a Northern Arizona desert of dunes that existed before the age of dinosaurs.

Wildflowers Show Off Their Colors Around Arizona

Fall and winter rains provided a necessary resource for brilliant blooms.

Report: Colorado River Most Endangered River in US

Three human-caused sources listed as dangerous for river that flows through Arizona.

Pachyderms Pack Into Reid Park Zoo

New $9.7 million dollar elephant exhibit opens Wednesday

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