Elevated geomagnetic activity could allow the northern lights to be seen farther south than usual tonight, according to NOAA.

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...

This geomagnetic storm interfered with telegraph communications around the globe. Sparks reportedly leapt from telegraph ...

A rare and fast CME triggered a severe G4 geomagnetic storm, producing brilliant auroras seen across Europe and the U.S. under ideal dark sky conditions.

Scientists say this powerful surge in solar activity could set the stage for the northern lights to appear as early as Thursday, Feb. 5 ...

On Jan. 19, a powerful geomagnetic storm pushed auroral activity far beyond its usual range, allowing this exceptional sighting over Brazil.

Solar flares are intense bursts of electromagnetic radiation produced by the sun. They are categorized based on their strength into several classes: A, B, C, M, and X, with each subsequent letter ...

The storm could also impact power systems and spacecraft operations.

A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric Administration's Space Weather Prediction Center. A coronal mass ejection -- ...

A severe geomagnetic storm has arrived at Earth, with conditions reaching G4 (severe) levels, South Africa’s National Space Agency (Sansa) has confirmed, following its warning earlier this week of ...

Sansa has warned that the CME is expected to affect Earth from the early hours of Tuesday. The South African National Space Agency (Sansa) announced late on Monday night that the expected geomagnetic ...