Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...
A large coronal hole has emerged on the sun’s eastern horizon. Its fast solar wind may reach Earth, potentially triggering auroras and affecting geomagnetic activity in the coming days.
Add Yahoo as a preferred source to see more of our stories on Google. The aurora borealis may be visible Thursday night along the U.S.-Canada border. (Space Weather Prediction Center) While February ...
Boulder, Colorado — Scientists from the National Solar Observatory (NSO) in Tucson, Arizona, have discovered that a solar jet stream deep inside the Sun is migrating slower than usual through the star ...