Photographer Radu Zaciu creates surreal still life images by placing light bulbs inside fruits and vegetables.
The haunting image shows an unborn pony fetus in utero.
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.
The winners are in for a new international photographic competition celebrating excellence in all disciplines of underwater photography.
A late winter ice storm creates a sparkling, dripping, ephemeral world on Maryland's Eastern Shore.
NASA flight engineer Terry Virts paid respects to Leonard Nimoy from the International Space Station.
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