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 ...

Little Pigeon River, Great Smoky Mountains

Little Pigeon River, Great Smoky Mountains

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Ocotillo, Sonora Desert, Arizona

Ocotillo, Sonora Desert, Arizona

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Puget Sound, Olympic Mountains, Washington

Puget Sound, Olympic Mountains, Washington

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Mountain Stream, Great Smoky Mountains National Park

Mountain Stream, Great Smoky Mountains National Park

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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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Newport Beach in Stormy Weather, California

Newport Beach in Stormy Weather, California

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Loch an Eilein to Loch Morlich, Scotland

Loch an Eilein to Loch Morlich, Scotland

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Dunes Beach, Half Moon Bay, California

Dunes Beach, Half Moon Bay, California

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Yosemite Falls, California, North America

Yosemite Falls, California, North America

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Webb Creek and Redwoods near Mount Tamalpais

Webb Creek and Redwoods near Mount Tamalpais

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Red Mountain, Gunnison National Forest, Colorado

Red Mountain, Gunnison National Forest, Colorado

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Tufa Formations at Sunset, Mono Lake, California

Tufa Formations at Sunset, Mono Lake, California

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Autumn Aspens, Colorado, United States

Autumn Aspens, Colorado, United States

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Sunlight and the Wild Forest Floor

Sunlight and the Wild Forest Floor

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Cape Lookout, Tillamook County, Oregon

Cape Lookout, Tillamook County, Oregon

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