DESERT
5 year old survives 24 hours in Argentina desert, after being separated from parents
A five-year-old boy who went missing during a family walk in Argentina was found safe and well after 24 hours lost in a desert.
Novel device can harvest water from desert air
The test device was powered solely by sunlight, and although it was a small proof-of-concept device.
Quarter of world could become desert if global warming increases by just 2ÂșC
Study finds, weather change would see more than quarter of world's land surface, home to more than 1.5 billion people, becoming more arid.
Construction starts on world's largest telescope
The size of the ELT has the potential to transform our understanding of the universe.
Sahara Desert was 10 times as wet as today: study
Annual rainfall in the Sahara now ranges from about four inches to less than one inch.
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