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

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.

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

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time ...

Northern lights dazzled much of the northern U.S. Tuesday after a solar flare. Forecasters say another colorful show could return tonight.

The British Geological Society is warning that the Earth is about to get hit by the most powerful solar storm in over two decades.

It's been a busy year on the sun, as it officially entered the peak of its roughly 11-year cycle of activity, known as solar maximum. In 2024, the sun launched over 50 X-class solar flares — the most ...

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, ...

Solar flares can be many times the size of Earth and can damage things like satellites. A new study suggests that eruptions from the sun can be even hotter than researchers thought. Solar flares are ...