Solar scientists are tracking a surge in activity on the sun that could unleash powerful storms toward Earth, with the potential to disrupt electricity, communications and navigation on a global scale ...

In the span of two days last week, the sun released two strong solar flares — meaning the solar system experienced its most powerful explosions which can cause some communications blackouts on Earth, ...

The eruption was accompanied by a CME, which is currently under analysis to assess whether any part of it is headed for Earth.

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the potential to ...

The sun has had an active few days, firing several powerful solar flares and (plumes of searing-hot solar material out into space. On Tuesday (May 13), a sunspot on the sun's surface named AR4086 ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class ...

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot region 4114 erupted with a colossal M8.46 class solar flare on June 15. . | Credit: NASA ...

Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more powerful than the previous one.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: SDO/AIC/NASA The sun has had an active few days, firing several powerful solar flares and ...