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. ...

Maroon Bells at Sunrise, Aspen, Colorado

Maroon Bells at Sunrise, Aspen, Colorado

325 downloads today
in cat. Nature

Splash of Gold, Maroon Creek Valley in WRNF, Colorado

Splash of Gold, Maroon Creek Valley in WRNF, Colorado

320 downloads today
in cat. Nature

Coastal Refresher, Atlantic Ocean

Coastal Refresher, Atlantic Ocean

234 downloads today
in cat. Nature

Lake Sunset Nature HDR Wallpaper

Lake Sunset Nature HDR Wallpaper

197 downloads today
in cat. Nature

Hawaiian Green Sea Turtle

Hawaiian Green Sea Turtle

82 downloads today
in cat. Animals

Yucca Tree, White Sands National Monument, New Mexico, USA

Yucca Tree, White Sands National Monument, New Mexico, USA

82 downloads today
in cat. Nature

Corn Snake Reptile (Red Rat Snake)

Corn Snake Reptile (Red Rat Snake)

79 downloads today
in cat. Animals

Mount Reynolds, Glacier National Park, Montana

Mount Reynolds, Glacier National Park, Montana

79 downloads today
in cat. Nature

NASA - Spiral Galaxy NGC 1300

NASA - Spiral Galaxy NGC 1300

77 downloads today
in cat. Space

Rainbow Mist, Grand Canyon, Arizona

Rainbow Mist, Grand Canyon, Arizona

77 downloads today
in cat. Nature

Forest Road, Redwood National Park, California

Forest Road, Redwood National Park, California

70 downloads today
in cat. Nature

Victoria Falls Rainbow, Zimbabwe

Victoria Falls Rainbow, Zimbabwe

65 downloads today
in cat. Nature

Claret Cup Cactus, Grand Canyon National Park, Arizona

Claret Cup Cactus, Grand Canyon National Park, Arizona

63 downloads today
in cat. Nature

Painted Hills Unit, John Day Fossil Beds NM, Oregon

Painted Hills Unit, John Day Fossil Beds NM, Oregon

63 downloads today
in cat. Nature

Salamander Glacier Falls, Glacier National Park, Montana

Salamander Glacier Falls, Glacier National Park, Montana

62 downloads today
in cat. Nature