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Photo of the Day

Border wall construction begins in Organ Pipe Cactus National Monument

Drilling in Arctic National Wildlife Refuge is one step closer to reality

A chameleon's colors aren't just beautiful, they're amazingly complex

'Tower of Voices' honors the Sept. 11 bravery of Flight 93

This critically endangered skink is getting its own tropical island

The most extreme bolts of lightning strike in winter

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Photo blog

12 stunning images to revive your sense of wonder

14 glimpses of nature from the Wildlife Photographer of the Year contest

We're only now getting a hint of Dorian's impact (Photos)

16 images that will make you feel 'as free as a bird'

Brilliant things happen when science and photography collide

9 unexpectedly beautiful sea creatures

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Photo galleries

12 spectacular images from NASA's Spitzer telescope

7 famous albino animals

7 superhuman senses

Celebrity pets: Furry friends of the rich and famous

10 cats that act like dogs (but still have kitty traits)

22 awesome projects for Raspberry Pi

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