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 ...

Autumn Road, Percy Warner Park, Nashville, Tennessee

Autumn Road, Percy Warner Park, Nashville, Tennessee

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Brilliant Colors of Denali National Park, Alaska

Brilliant Colors of Denali National Park, Alaska

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Royal Reflection on Hood Canal, Washington

Royal Reflection on Hood Canal, Washington

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Mystic Tarn, Mount Rainier, Washington

Mystic Tarn, Mount Rainier, Washington

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Cape Hattaras National Seashore, North Carolina

Cape Hattaras National Seashore, North Carolina

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Mount Tundra and Wonder Lake, Denali National Park

Mount Tundra and Wonder Lake, Denali National Park

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Oregon Islands, National Wildlife Refuge, Oregon

Oregon Islands, National Wildlife Refuge, Oregon

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Rural Roadway, Bass Lake, North Carolina

Rural Roadway, Bass Lake, North Carolina

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Icebergs at Sunrise, Derickson Bay, Alaska

Icebergs at Sunrise, Derickson Bay, Alaska

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Autumn Forest, Percy Warner Park, Nashville

Autumn Forest, Percy Warner Park, Nashville

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Lake Powell, Glen Canyon, Utah

Lake Powell, Glen Canyon, Utah

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Salt Flats and Panamint Mountains, Death Valley

Salt Flats and Panamint Mountains, Death Valley

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Full Rainbow Fall, Denali National Park, Alaska

Full Rainbow Fall, Denali National Park, Alaska

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Mountain Cascade, Glacier National Park, Montana

Mountain Cascade, Glacier National Park, Montana

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Colombo, Vacation in SriLanka, Sri Lanka

Colombo, Vacation in SriLanka, Sri Lanka

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