After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

Solar flares are classified based on their strength and fall into five designated categories: A, B, C, M and X. An X-class solar flare is the most intense type of solar flare and can produce as ...

AR4048, a still-emerging sunspot that has yet to fully rotate to face Earth, has been crackling with activity, consistently firing off solar flares. Space weather forecasters are closely ...

An unexpected X-class solar flare from a new sunspot region caused widespread radio blackouts across the Americas today ...

A powerful X1.1-class solar flare causes radio blackouts across the Americas. It was followed by a coronal mass ejection.

As the sun reaches its solar maximum, a strong solar flare erupted on March 28, which may enhance the visibility of the ...

The sun has somewhat surprised forecasters today with a dramatic X-class solar flare from a newly emerging sunspot region.The ...

Unlike the previous event, this latest eruption could have a greater impact on Earth ... the chances of an X-class flare — the most powerful category of solar flares — at 25% over the next ...

This occurs because the solar flare's intense X-rays and extreme ultraviolet radiation ionize Earth's upper atmosphere, specifically the ionosphere, which is situated between 30 miles (48 km ...