After a light show on Oct. 10, a geomagnetic storm could still give Pennsylvanians a chance to see the northern lights.
Stargazers received a spectacular treat in parts of the U.S. and Europe on Thursday when the northern lights appeared in ...
An unusually strong geomagnetic storm made the Aurora Borealis visible across the Philadelphia region Thursday night.
There's a geomagnetic storm underway, and it could produce the northern lights across the country. The National Oceanic and ...