Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny ...

From communications outages to a brush with nuclear war, solar events like flares and coronal mass ejections have shaped ...

Scientists at the University of Hawaiʻi have discovered why it rains on the Sun. Solar rain, made of cooling plasma, forms rapidly during solar flares, a mystery now solved by modeling time-varying ...

Sunspot activity increases on November 1, 2025, as new regions emerge on the Sun. Solar flares, coronal mass ejections, and geomagnetic conditions are monitored by NASA/SDO and EarthSky.

A new giant sunspot, active region 4246, is now visible from Earth. Scientists believe another, even larger region is emerging. This solar activity could cause minor geomagnetic storms and disrupt ...

Several M-class solar flares erupt within just a few hours late Dec. 25. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In the final hours of ...

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, ...

Astronomers observed a massive, multi-temperature plasma eruption from a young Sun-like star, revealing how early solar ...

Our sun has officially hit its solar maximum, with increased rates of auroras and solar flares expected in the coming months, NASA has announced. The sun goes through 11-year cycles of activity, ...

The sun is a dynamic part of our solar system, and it throws plasma and radiation out into space regularly. But not all of ...