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 ...

Fall Colors - Mountains in Autumn

Fall Colors - Mountains in Autumn

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Early Winter Forest Road Scene

Early Winter Forest Road Scene

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Cool Waters, Oregon Ridge Beach, Oregon

Cool Waters, Oregon Ridge Beach, Oregon

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Kilauea, Hawaii Volcanoes National Park

Kilauea, Hawaii Volcanoes National Park

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Afternoon Nap, Kauai, Hawaii

Afternoon Nap, Kauai, Hawaii

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Summer Storm, Fork of Lightning Striking a Forest

Summer Storm, Fork of Lightning Striking a Forest

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Mossbrae Falls, Dunsmuir, California

Mossbrae Falls, Dunsmuir, California

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Aspen Trunks, North Woods, Quetico Provincial Park

Aspen Trunks, North Woods, Quetico Provincial Park

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Autumn at Matterhorn Peak, Sawtooth Ridge, Sierra Nevada

Autumn at Matterhorn Peak, Sawtooth Ridge, Sierra Nevada

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Yosemite Falls, California, North America

Yosemite Falls, California, North America

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Leaf Fall in Dixie National Forest, Utah

Leaf Fall in Dixie National Forest, Utah

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Burgess Falls State Natural Area, Sparta, Tennessee

Burgess Falls State Natural Area, Sparta, Tennessee

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Alaska Range, Ruth Amphitheater, Alaska

Alaska Range, Ruth Amphitheater, Alaska

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Great Fountain Geyser, Yellowstone National Park

Great Fountain Geyser, Yellowstone National Park

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Ballachulish, Western Highlands, Scotland

Ballachulish, Western Highlands, Scotland

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