A school teacher and his friend wind up in the hottest and driest place in North America -- Death Valley. Watch as they explore this Mars-like desert off the beaten path.
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.
NASA's Aqua satellite was in a unique position to capture spring's arrival on the East Coast.
Cherry blossoms bloom in South Korea, Cairo is captured at night by the space station and mysterious fairy circles come into focus.
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.
When a travel loving Dutch photographer makes friends with a stranger in Turkey, it leads him on an entirely new journey that ends with a beautiful candid shot in one of the oldest cities in Iran.
Photographer Radu Zaciu creates surreal still life images by placing light bulbs inside fruits and vegetables.
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