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Astrobiologists seeking to understand where life might be found on Mars, and what form it might take, are finding that the Atacama desert in Chile, the driest in the world, may hold some important clues.

Since a 2003 study that examined microbial life in the ‘Mars-like soils’ of the Atacama, astrobiological research – the study of life on Earth to understand how it may form elsewhere in the universe – in the desert has grown dramatically.

A Chilean astrobiologist Armando Azua said it is much cheaper than traveling to Mars.

He said “It is the driest and oldest desert in the world, a unique place where life had no choice but to adapt to the lack of water.” Still, even in this harsh environment, scientists have found life – usually at the microbiological level – clinging on.


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