The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

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 Sun unleashed its most powerful solar flare of 2025 on November 11, sending a burst of high-energy radiation speeding ...

"We know from historical observations that significantly bigger events are possible, and we need to be ready," said a researcher.

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

On December 8, 2025, at 5:01 a.m. UTC, the sun released a strong burst of energy called an X1.1-class solar flare from a spot ...

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 ...

A high-powered solar flare erupted from the sun last week, causing a major radio blackout in Europe and Asia. The eruption happened at 3:25 a.m., meaning that the sun wasn't in the Texas sky at the ...