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.
20 Mar 2019 11:18 AM
The test device was powered solely by sunlight, and although it was a small proof-of-concept device.
25 Mar 2018 1:43 PM
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.
02 Jan 2018 8:37 PM
The size of the ELT has the potential to transform our understanding of the universe.
27 May 2017 9:23 AM
Annual rainfall in the Sahara now ranges from about four inches to less than one inch.
22 Jan 2017 12:40 PM