Life

The mechanism by which life began on Earth is unknown, although many hypotheses have been formulated. Since emerging, life has evolved into a variety of forms, which have been classified into a hierarchy of taxa. Life can survive and thrive in a wide range of conditions. ...

New Providence Islands from above, Bahamas

New Providence Islands from above, Bahamas

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in cat. Nature

Rogue River, Siskiyou National Forest, Oregon

Rogue River, Siskiyou National Forest, Oregon

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in cat. Nature

Silky Shark, Red Sea, Egypt

Silky Shark, Red Sea, Egypt

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in cat. Animals

Sleeping Beauty, Polar Bear

Sleeping Beauty, Polar Bear

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in cat. Animals

American Bald Eagle in Flight

American Bald Eagle in Flight

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in cat. Animals

Frosted Trees, Boulder, Colorado

Frosted Trees, Boulder, Colorado

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in cat. Nature

Full View of the International Space Station

Full View of the International Space Station

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in cat. Space

Lake Sunset Nature HDR Wallpaper

Lake Sunset Nature HDR Wallpaper

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in cat. Nature

NASA - Earth And Its Moon, Space Shuttle Discovery, 1998

NASA - Earth And Its Moon, Space Shuttle Discovery, 1998

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in cat. Space

South Falls, Silver Falls State Park, Oregon

South Falls, Silver Falls State Park, Oregon

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in cat. Nature

Sunset on the Na Pali Coast, Hawaii

Sunset on the Na Pali Coast, Hawaii

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in cat. Nature

U.S. Flag on Moon (Apollo 11)

U.S. Flag on Moon (Apollo 11)

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in cat. Space

Virginia Lakes, Eastern Sierra Nevada Mountains

Virginia Lakes, Eastern Sierra Nevada Mountains

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in cat. Nature

White Tiger (Panthera Tigris)

White Tiger (Panthera Tigris)

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in cat. Animals

Aerial View of the CN Tower in Toronto, Canada

Aerial View of the CN Tower in Toronto, Canada

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in cat. Travel