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

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

Satellite imagery shows the moment a large coronal mass ejection erupted from the Sun on January 18, triggering a “very rare” geomagnetic storm that caused the vibrant aurora borealis to shine ...

Space scientists have announced that the Sun has fired four massive solar flares. The outbursts were captured by NASA’s Solar ...

(KRON) — A “severe” geomagnetic storm watch has been issued for Monday and Tuesday as the largest solar radiation storm in ...

Extreme stellar flares have always captivated astronomers, but observing such phenomena on other stars had remained an elusive goal until now. Thanks to the European Space Agency's XMM-Newton ...

Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.

The NASA/ESA Solar & Heliospheric Observatory captured a 'butterfly-shaped' coronal mass ejection erupt from the sun. Credit: ...

The northern lights could be visible from the northern United States again on Tuesday, as a coronal mass ejection from the Sun is expected to arrive and cause strong geomagnetic storms. A coronal mass ...