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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.
Paige Minds The Gap on MSN

9 days in the UK and Ireland itinerary for first-timers

Plan the perfect 9 days in the UK and Ireland itinerary with this first-timer guide covering London, Dublin, Edinburgh, ...