Explore the nations that challenge traditional geographical boundaries, like Turkey, Russia, Egypt, Kazakhstan, and Denmark.
Aoife Barry meets Spencer Matthews as his recovers from Project Se7en that saw him complete seven Ironmans on seven ...
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An ocean the size of the Arctic once covered half of Mars, new images hint
Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.
The story of Atlantis, a mythological continent that vanished into the sea after its inhabitants displeased the gods, has ...
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