NASA has issued a warning about a strong solar storm heading toward Earth, which could hit the U.S. and disrupt power grids, ...

The sun unleashed two huge flares early Wednesday, one day after a NASA observatory captured a dramatic photo of a separate ...

The solar flare, which peaked at 4:25 a.m. ET, hurled streams of plasma and charged particles into the cosmos.

A first-of its-kind space weather "tabletop" exercise has revealed major weaknesses in America's preparedness for severe ...

A geomagnetic storm unleashed by the sun on Sunday could create colorful auroral displays over parts of the United States Wednesday and Thursday night.

NOAA’s Space Weather Prediction Center issued a Geomagnetic Storm Warning for a “strong” G3 level event on the geomagnetic storm scale for early Wednesday morning. The scale goes up to G5.

NOAA says the best time to prepare for oncoming storms is now – well before the official start of Hurricane season.

Hundreds of thousands of people were evacuated as huge amounts of radioactive material were thrown into the surrounding environment and it remains the worst nuclear disaster in history. Power plants ...

Now, scientists suspect that solar storms powerful enough to collapse portions of modern power grids for months may hit the Earth more often than once in a century, reports The Guardian. The warning ...

Colorful auroras could be visible in areas of the United States on Wednesday evening due to a solar storm, according to the National Weather Service’s Space Weather Prediction Center.