Black Sun

Revelation 6:12
The sun turned as black as sackcloth made of hair, and the full moon turned as red as blood.

http://www.dailymail.co.uk/sciencetech/article-1172399/Has-sun-gone-Earths-closest-star-dimmest-century.html

http://news.bbc.co.uk/2/hi/science/nature/8008473.stm

http://science.nasa.gov/headlines/y2006/10mar_stormwarning.htm
http://science.nasa.gov/headlines/y2009/29may_noaaprediction.htm