Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

The daredevil skydiver believes his stunt will revolutionize and offer a safer alternative to wingsuit flying.

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

Sarah Burris is a long-time veteran of political campaigns, having worked as a fundraiser and media director across the United States. She transitioned into reporting while working for Rock the ...

These images reveal the grand scale of preparations and infrastructure being set up for the world’s largest religious gathering, where over 400 million people are expected to gather over the 45 ...

GRAND CANYON NATIONAL PARK, AZ (AZFamily) — People can once again enjoy a hike at Arizona’s world-famous natural wonder. The National Park Service said on Wednesday evening that inner canyon ...

PHOENIX (AZFamily) — Major trails at the Grand Canyon re-opened Thursday afternoon after being closed for nearly 20 hours following a chlorine gas leak inside the canyon last night. The closures ...

GRAND CANYON NATIONAL PARK, Ariz. – A chlorine gas leak at Grand Canyon National Park’s main water supply has forced park officials to close all inner canyon corridor trails. Officials said the leak ...

Bill O’Leary/The Washington Post via Getty Images Bright Angel Trail is renown for its beauty, and begins on the ravine’s southern rim at the Grand Canyon and has a path that runs for eight miles, ...

Trails in Grand Canyon National Park were closed due to a chlorine gas leak. Chlorine is used as a disinfectant in the Roaring Springs area of the park. The trails have since reopened NORTH RIM ...