Nature

The origin of life on Earth is not well understood, but it is known to have occurred at least 3.5 billion years ago, during the hadean or archean eons on a primordial Earth that had a substantially different environment than is found at present. These life forms possessed ...

A Peak Experience, Olympic National Park, Washington

A Peak Experience, Olympic National Park, Washington

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Lower Doyles River Falls, Shenandoah National Park, Virginia

Lower Doyles River Falls, Shenandoah National Park, Virginia

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Badlands National Park, South Dakota, USA

Badlands National Park, South Dakota, USA

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Roaring Fork, Smoky Mountains, Tennessee

Roaring Fork, Smoky Mountains, Tennessee

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Columbia River Gorge, Oregon

Columbia River Gorge, Oregon

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Arctic Ice Pack at Sunset, Canada

Arctic Ice Pack at Sunset, Canada

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Coyote Gulch, Escalante River Canyons, Utah

Coyote Gulch, Escalante River Canyons, Utah

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Reflections of Fall, Green Mountains National Forest

Reflections of Fall, Green Mountains National Forest

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Painted Hills Unit, John Day Fossil Beds NM, Oregon

Painted Hills Unit, John Day Fossil Beds NM, Oregon

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Wind River Range, Rocky Mountains of Wyoming

Wind River Range, Rocky Mountains of Wyoming

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Colorado River at Horseshoe Bend, Glen Canyon

Colorado River at Horseshoe Bend, Glen Canyon

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Indian Creek, Siuslaw National Forest, Oregon

Indian Creek, Siuslaw National Forest, Oregon

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Sea of Microscopie Life, Mono Lake, Sierra Nevada

Sea of Microscopie Life, Mono Lake, Sierra Nevada

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Montmorency Falls, Quebec, Canada

Montmorency Falls, Quebec, Canada

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Autumn Colors, White Mountains, New Hampshire

Autumn Colors, White Mountains, New Hampshire

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