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 ...

Oxbow, Grand Teton National Park, Wyoming

Oxbow, Grand Teton National Park, Wyoming

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Fallen Nurse Log, Redwood National Park, California, USA

Fallen Nurse Log, Redwood National Park, California, USA

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Superstition Mountains, Tonto National Forest

Superstition Mountains, Tonto National Forest

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Yellowstone National Park, Wyoming

Yellowstone National Park, Wyoming

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Mount Reynolds, Glacier National Park, Montana

Mount Reynolds, Glacier National Park, Montana

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Alaska Range, Ruth Amphitheater, Alaska

Alaska Range, Ruth Amphitheater, Alaska

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Aspen Trees, City of Rocks, Idaho

Aspen Trees, City of Rocks, Idaho

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Easy Waves, Coastline, Atlantic Ocean

Easy Waves, Coastline, Atlantic Ocean

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Yellowstone River in Hayden Valley, Wyoming, USA

Yellowstone River in Hayden Valley, Wyoming, USA

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Grand Teton National Park, Wyoming

Grand Teton National Park, Wyoming

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Coyote Gulch, Escalante River Canyons, Utah

Coyote Gulch, Escalante River Canyons, Utah

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Afternoon Nap, Kauai, Hawaii

Afternoon Nap, Kauai, Hawaii

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Chimney Rock and Wildcat Hills, Nebraska

Chimney Rock and Wildcat Hills, Nebraska

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Ocean Waves Crash Spray, Hawaii

Ocean Waves Crash Spray, Hawaii

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Oregon Islands, National Wildlife Refuge, Oregon

Oregon Islands, National Wildlife Refuge, Oregon

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