This week: A special Earth Day planet pics looks at the world's largest desert, a massive iceberg on the move and a deep ocean dive where you can ride along.
Cherry blossoms bloom in South Korea, Cairo is captured at night by the space station and mysterious fairy circles come into focus.
A super typhoon inspires awe from the space station, Texas dust storms pick up superbugs and we get an overview of shockingly low snow pack in California.
Whether in youth, mobile or open competition categories, these pictures brought the pizzazz.
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.
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