The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

The desert offers a unique hiking experience, thanks to its dramatic rock formations and vast valleys. Trekkers can explore narrow canyons, climb towering cliffs, or simply enjoy the breathtaking ...

Fog is a cheap and abundant source of fresh water, especially in remote dry regions. And it also has great potential for cities. How does fog collection work, and where it is already being used?