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 ...

Greenland Creek Falls, Nantahala National Forest

Greenland Creek Falls, Nantahala National Forest

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Upper Arrow Lake, British Columbia, Canada

Upper Arrow Lake, British Columbia, Canada

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Aspen Trees, Gallatin National Forest, Montana

Aspen Trees, Gallatin National Forest, Montana

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At the Arch, Arches National Park, Utah

At the Arch, Arches National Park, Utah

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Summer Storm Approaching, Newfound Gap, Smoky Mountains

Summer Storm Approaching, Newfound Gap, Smoky Mountains

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Autumn Vine Maple and Lichens in Autumn

Autumn Vine Maple and Lichens in Autumn

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Fresh Fallen Snow, Arctic Valley, Alaska

Fresh Fallen Snow, Arctic Valley, Alaska

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The Spider Web Wallpaper

The Spider Web Wallpaper

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Koch Snowflake, Silbury Hill, England, 1997

Koch Snowflake, Silbury Hill, England, 1997

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Sandstone Erosion, Otter Point State Wayside, Oregon

Sandstone Erosion, Otter Point State Wayside, Oregon

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Paria Beach, Trinidad and Tobago

Paria Beach, Trinidad and Tobago

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Lancaster Sound, Nunavut, Canada

Lancaster Sound, Nunavut, Canada

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Havasu Falls, Grand Canyon, Arizona

Havasu Falls, Grand Canyon, Arizona

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Iguazu Falls Scenery, Brazil

Iguazu Falls Scenery, Brazil

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Crater Lake In Winter, Crater Lake National Park, Oregon

Crater Lake In Winter, Crater Lake National Park, Oregon

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