Some geomagnetic storm conditions are expected after a coronal mass ejection that left the sun last week, forecasters said.

Local weather alerts are familiar warnings for potentially dangerous conditions, but an alert that puts all of Earth on warning is ...

A new adaptive optics system reveals stunning, ultra-sharp views of the Sun’s corona—offering an unprecedented look at solar ...

The Northern Lights (aurora borealis) may be visible in the U.S. this weekend amid forecasts for a geomagnetic storm by space ...

The ESA/NASA Solar and Heliospheric Observatory (SOHO) captured a coronal mass ejection erupt from the far side of the Sun.

Stunning footage shot from space captured the stunning moment that the aurora borealis appeared to dance over the Earth — in ...

More geomagnetic storm conditions are forecast for later in the week, pulling the aurora borealis farther south, though some ...

Astronomers have captured videos of the sun without the typical blur caused by turbulence in Earth's atmosphere ...

Northern lights may be visible in parts of the U.S. Monday night following weekend solar storms. The sun burped out a huge ...

The stripes, called striations, ripple across the walls of solar granules—convection cells in the Sun’s photosphere where hot ...

When a geomagnetic storm reached Earth’s atmosphere on Sunday, most of Wyoming was covered in clouds. David Porter of ...