Step right up, folks, and witness the amazing shrinking continent before it's too late.
These places look alien, but they're actually on Earth.
This week: A terrifying pathway in Spain, Greenland lakes that drain in hours and a spacecraft spots the first night-shining clouds of the season.
Photographer Steve Axford captures amazing, sometimes eerie, views of mushrooms and other fungi.
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.
We spot the Northern lights from above, the largest salt flats on Earth and take a surreal inside look at fruits and veggies.
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