Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather, NASA said.

NASA warns that the Sun is awakening, showing increased solar activity since 2008. Rising solar wind strength, magnetic field ...

A trio of space missions just launched, set to deepen our understanding of the sun's influence and protect Earth from the ...

Solar flares heat ions much more strongly than electrons. The finding offers a new explanation for spectral line broadening. Recent work from the Andrews suggests that particles in solar flares can ...

The Sun's activity is rising again after decades of decline, surprising scientists and raising concerns about space weather.

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, ...

NASA and the National Oceanic and Atmospheric Administration have launched three new missions to enhance our understanding of ...

Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science ...

With advance warning, however, steps can be taken to reduce the risks. If an electrical grid is running near capacity, for ...

NASA captured an image of an intense solar flare released by the sun on Tuesday evening. The solar flare peaked at 5:49 p.m. EDT on Tuesday, NASA's Solar Dynamics Observatory said. It was an X-class ...