Petrified Forest National Park

Park officials say breeding pairs of the Yellow-billed Cuckoo hadn't been observed in Petrified Forest National Park since the 1980s until two were spotted over the summer.

Eastern Arizona’s Petrified Forest National Park has become a sister park with a UNESCO World Heritage Site in Argentina.

A remarkable science project is underway at Petrified Forest National Park to uncover the forgotten creatures of the Triassic period. It’s a time best known as the dawn of the dinosaurs, but frogs, lizards, and other small animals have their origins in the Triassic, too. Discovering their story requires microscopes, tweezers and a keen eye for the secrets of the past.

Cultures all over the world have marked the passage of the seasons in many ways. In the Southwest, the solstices and equinoxes have often been tracked by watching the sun on the horizon, on particular landmarks, or on the faces of rock.

Among the strangest creatures on earth are the Caecilians, a group of worm-like amphibians that live out their lives underground without the need of legs and eyes. They can swim through mud like eels, and mothers care for their babies by feeding them the slime off their backs.

Officials say a man is facing charges after he allegedly shot at an unmarked vehicle carrying two employees in Petrified Forest National Park last week.

Officials say a bullet struck an unmarked National Park Service vehicle carrying two employees in a remote area of the park Tuesday.

The Interior Department has suspended oil and gas leases on 4,200 acres in eastern Arizona following a lawsuit brought by conservation groups. KNAU’s Ryan…

The Triassic period was a time of giants on Earth: lumbering reptiles with armored plates, and fifteen-foot-long crocodiles. The fossils of these extinct…

Conservationists have filed a lawsuit against the Trump administration over oil and gas permits issued on federal land in Navajo and Apache counties.…