A solar flare is a burst of radiation on the sun, according to NASA. They are the most powerful explosions in the solar system, with the biggest ones having as much energy as a billion hydrogen bombs.

The new sunspot responsible for this powerful blast is rotating into view, which could bring more solar activity—and ...

The beauty of today's solar lights is that many now offer multiple brightness settings, so you can adjust based on your needs or even the season (less sun in winter means conserving battery power ...

X2.7-class eruption from sunspot AR4087 disrupts radio signals as the active region rotates toward Earth, raising the risk of ...

For anyone in the US who can afford to go solar, “now would be the time,” because House Republicans want to end federal tax ...

The solar flares are bursts of magnetic energy and can impact power, communication, and navigation systems on Earth.

For anyone who can afford to go solar, "now would be the time" because House Republicans want to end federal tax credits that ...

Researchers in Australia are working on a way to lower the cost of producing solar thermal energy by as much as 40% with the ...

"We've been able to show, for the very first time, that the sun's flare pulsations and Earth's atmosphere were pulsing in sync during a solar flare." ...

Incredible new images of the sun's surface provide an unprecedented view of sunspots and other solar activity.

In October, scientists from the National Oceanic and Atmospheric Administration, NASA and the international Solar Cycle Prediction Panel announced the sun reached the peak of activity, called the ...

Even though Western Pennsylvania has fewer sunny days than other parts of the U.S., the 170 solar panels on the roofs of the ...