In short, while studies have found that clouds can magnify UV rays, it is a rare occurrence and one that requires specific ...

What happened to the Neanderthals? Our ancestral cousins went mysteriously extinct around 40,000 years ago, while humans did not. The demise of one and survival of the other continues to flummox ...

The view of Earth from space is famously familiar—bright blue ocean, swirling gyres of white clouds, touches of terrestrial green. The luminosity of this image is the result of the sun’s rays shining ...