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. ...

Chateau des Papes, Avignon, Vaucluse, France

Chateau des Papes, Avignon, Vaucluse, France

52 downloads today
in cat. Travel

Summer Storm Approaching, Newfound Gap, Smoky Mountains

Summer Storm Approaching, Newfound Gap, Smoky Mountains

51 downloads today
in cat. Nature

Autumn Grandeur, Grand Teton National Park, Wyoming, USA

Autumn Grandeur, Grand Teton National Park, Wyoming, USA

49 downloads today
in cat. Nature

Lake Sunset Nature HDR Wallpaper

Lake Sunset Nature HDR Wallpaper

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in cat. Nature

Rainbow Mist, Grand Canyon, Arizona

Rainbow Mist, Grand Canyon, Arizona

49 downloads today
in cat. Nature

The Most Crowded Collision of Galaxy Clusters

The Most Crowded Collision of Galaxy Clusters

47 downloads today
in cat. Space

Full View of the International Space Station

Full View of the International Space Station

37 downloads today
in cat. Space

Grand Canyon West Rim from Skywalk

Grand Canyon West Rim from Skywalk

36 downloads today
in cat. Nature

Spacewalking Astronaut NASA STS-41-B EVA

Spacewalking Astronaut NASA STS-41-B EVA

36 downloads today
in cat. Space

The Hanging Gardens of Babylon

The Hanging Gardens of Babylon

35 downloads today
in cat. Travel

Hawaiian Green Sea Turtle

Hawaiian Green Sea Turtle

33 downloads today
in cat. Animals

Blue Mountain Butterfly (Papilio Ulysses)

Blue Mountain Butterfly (Papilio Ulysses)

31 downloads today
in cat. Animals

Azure Window, Malta

Azure Window, Malta

30 downloads today
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Phalaenopsis Orchids (Moth Orchids)

Phalaenopsis Orchids (Moth Orchids)

28 downloads today
in cat. Flowers

Purple Tulip Flower Bud Close-up Photo

Purple Tulip Flower Bud Close-up Photo

28 downloads today
in cat. Flowers