Northern Lights may dazzle again tonight as a severe geomagnetic storm reaches peak intensity across regions. Follow live.
Watch this one-week time-lapse of the coronal hole in the Sun's atmosphere from NASA's Solar Dynamics Observatory. Amazing ...
Yosemite is included in an updated winter storm watch released by the National Weather Service on Saturday at 5:09 p.m. The watch is valid from Monday 11 a.m. until Wednesday Oct. 15, at 5 p.m. The ...