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 Forest and Landscape Color

Autumn Forest and Landscape Color

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Burgess Falls State Natural Area, Sparta, Tennessee

Burgess Falls State Natural Area, Sparta, Tennessee

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Kilauea, Hawaii Volcanoes National Park

Kilauea, Hawaii Volcanoes National Park

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Desert Oasis, Libyan Desert, Libya

Desert Oasis, Libyan Desert, Libya

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Yosemite Falls, California, North America

Yosemite Falls, California, North America

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Colorful Ferns in Autumn, Acadia National Park

Colorful Ferns in Autumn, Acadia National Park

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Torres del Paine, Serrano River, Chile

Torres del Paine, Serrano River, Chile

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Mt. Baker-Snoqualmie National Forest in Washington

Mt. Baker-Snoqualmie National Forest in Washington

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Fall Spectacular, Smoky Mountains National Park

Fall Spectacular, Smoky Mountains National Park

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Fall Pond, Ricketts Glen State Park, Pennsylvania

Fall Pond, Ricketts Glen State Park, Pennsylvania

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Dawn Over Radnor Lake, TN State Park

Dawn Over Radnor Lake, TN State Park

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South Falls, Silver Falls State Park, Oregon

South Falls, Silver Falls State Park, Oregon

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Umpqua River, Douglas County, Oregon, USA

Umpqua River, Douglas County, Oregon, USA

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Colors Of New England

Colors Of New England

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Autumn Road, Cognac Region, France

Autumn Road, Cognac Region, France

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