Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

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

A strong geomagnetic storm is forecast for Tuesday, according to the National Oceanic and Atmospheric Administration's Space ...

On December 8, 2025, the sun unleashed a significant solar flare, classified as an X-class event, raising concerns among scientists and technology experts alike. This article will explore the ...

On Saturday, NOAA’s Space Weather Prediction Center (SWPC) noted that an M8.1 solar flare, “an eruption of energy from the ...

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

Scientists can usually spot coronal mass ejections before they mess with GPS and cause power outages—but this one snuck past coronagraphs and satellites.

A new study led by Southwest Research Institute (SwRI) links quasi-periodic pulsations (QPPs) in solar flares to dynamic ...

The sun has emitted a powerful solar flare that has the capability to interfere with technology on Earth. The explosive burst of radiation peaked on the evening of June 17, matching the intensity of ...

According to a Space.com report, an X5.1 solar flare erupted from sunspot AR427 on Nov. 11, 2025. It was the strongest flare ...

On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96. This is the largest sunspot recorded in the past ten years and is believed ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...