What causes rainbow clouds?

For those of us in the Northern Hemisphere, the lack of true darkness in the middle of the year doesn’t make astronomy that easy to do. The planets are good at cutting through slightly brighter skies,

We leave La Serena at dusk, heading east towards the stars. The 90-minute drive winds through the Elqui Valley, lush green with vineyards and home to skies so dark that international observatories on

Lovers’ lure, warning of death or simply a form of communication, the purpose of Nature’s paintbox may be curious, but its vibrant hues are always worth celebrating, eulogises John Lewis-Stempel

New model suggests Hawking radiation is speeding cosmic decay Scientists have long predicted that the Universe’s lifetime is effectively forever – specifically, 101100 years. But now scientists from R

Is technology being used to change the weather, or is it science fiction?

SVALBARD