A strong geomagnetic storm means the Northern Lights could be visible north of Chicago near the Illinois-Wisconsin border and ...

This ring-shaped zone sits around the Earth's geomagnetic North Pole and is generally associated with the most vibrant aurora sightings. Visitors can expect to see the lights on an average of four ...

All cats are grey in the dark, the Scandinavians say The intrepid traveller has journeyed to the edge of the world and braved double-digit sub-zero temperatures, endured the perpetual dreary darkness ...

Ancient homo sapiens may have benefitted from mineral-based sun protection, living in caves and even tailored clothing.

A study suggests that Homo sapiens may have benefited from the use of ochre and tailored clothing during a period of increased UV light 41,000 years ago, during the Laschamps excursion.

The aurora borealis, also known as Northern Lights, may be visible across the United States. Will it be visible in Arizona? Here's what time to watch.