We spot the Northern lights from above, the largest salt flats on Earth and take a surreal inside look at fruits and veggies.
Photographer Radu Zaciu creates surreal still life images by placing light bulbs inside fruits and vegetables.
As spring kicks in, our planet pics take a decidedly green hue, from the northern lights, to a verdant Alaskan park and a river that turns color in a flash.
The Lunar Reconnaissance Orbiter provides a view of Earth from the dark side of the moon and a South American country names half of its area a conservation corridor. Plus: Two hikers brave frozen Lake Erie.
A massive mitten is spotted in the Arctic, a winter storm covers much of the United States and a stunning ice cave in Alaska is captured just before it disappeared.
A late winter ice storm creates a sparkling, dripping, ephemeral world on Maryland's Eastern Shore.
Saharan dust energizes the Amazon, dozens of new sinkholes are found in Siberia, and an ancient tree frames a Hobbit-like building.
Photographer Beth Moon spent 14 years shooting to create this photo collection of ancient trees.
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