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 ...

Colorful Ferns in Autumn, Acadia National Park

Colorful Ferns in Autumn, Acadia National Park

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Through the Mist to Royal Basin, Olympic National Park

Through the Mist to Royal Basin, Olympic National Park

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Stormy Weather at Yosemite National Park, California

Stormy Weather at Yosemite National Park, California

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Yellowstone River in Hayden Valley, Wyoming, USA

Yellowstone River in Hayden Valley, Wyoming, USA

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Midway Geyser, Grand Prismatic, Yellowstone National Park, Wyoming

Midway Geyser, Grand Prismatic, Yellowstone National Park, Wyoming

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Mirror Reflections, Mount Shuksan, Washington

Mirror Reflections, Mount Shuksan, Washington

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Sunrise, Joshua Tree National Monument

Sunrise, Joshua Tree National Monument

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Dawn over Radnor Lake, TN State Park

Dawn over Radnor Lake, TN State Park

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Niagara Falls Illumination at Night

Niagara Falls Illumination at Night

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Mountain Mist, Alberta's Rocky Mountains, Canada

Mountain Mist, Alberta's Rocky Mountains, Canada

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Sunset Colors, Clatsop County, Oregon

Sunset Colors, Clatsop County, Oregon

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Merced River and El Capitan in Winter, Yosemite Valley

Merced River and El Capitan in Winter, Yosemite Valley

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Umpqua River, Douglas County, Oregon, USA

Umpqua River, Douglas County, Oregon, USA

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New Providence Islands from above, Bahamas

New Providence Islands from above, Bahamas

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Rising Sands, Namib Desert, Namibia, Africa

Rising Sands, Namib Desert, Namibia, Africa

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