Feeling blue: Qatar road turned azure to cool city

Qatar has turned a busy stretch of road in the capital Doha bright blue as part of an experiment to cool the tarmac surface and reduce the temperature of surrounding areas.

Hawaii or Spain? Telescope experts say it may not matter

When starlight from billions of years ago zips across the universe and finally comes into focus on Earth, astronomers want their telescopes to be in the best locations possible to see what's out there.

page 1 from 7