Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

Romantic hikes in Utah are the perfect Valentine's Day activity. The Tower Canyon Trail in Arches National Park has views you ...

I love to hike and climb rocks but I could not complete this popular (and short!) slot canyon in Southern Utah ... and I ...

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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 ...

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 ...

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 ...