Talk about a heated situation. The sun unleashed two colossal solar flares within seven hours of each other this week, ...

Imagine the Sun releasing a burst of energy so powerful it could knock out power grids, stop airplanes mid flight, and push ...

This story was updated 1:42 p.m. ET to include information from the most recent update from NOAA space weather officials. Space weather experts are keeping close watch for a solar storm expected to ...

The northern lights may be visible this weekend after a flurry of activity on the sun, with an X-class solar flare and ...

NOAA has issued updated forecasts warning of increased geomagnetic storm activity as solar cycle 25 approaches its peak, raising risks to satellites, GPS, and power grids. Past events, including a G5 ...

Add Yahoo as a preferred source to see more of our stories on Google. The solar storm increased the number of electrons in two layers of the Martian atmosphere: A 45% increase at an altitude of 68 ...

Last month, Earth was treated to a massive aurora borealis that reached as far south as Texas. The event was attributed to a solar storm that lasted nearly a full day and will likely contend for the ...

A powerful solar storm put on an amazing skyward light show across the globe overnight but has caused what appeared to be only minor disruptions to the electric power grid, communications and ...

A UK study explains how rare but powerful solar storms could disrupt power, satellites and communication, showing how closely ...

Eyes to the sky! A passing solar storm may spark bright auroras across Canada on Thursday and Friday nights! On the morning ...

When solar storms erupt from the sun and reach Earth, their intensity is measured against a historical benchmark: the Carrington Event. Now, a portrait of 19th century British solar astronomer Richard ...