Photographers captured the sun's beauty in the Readers Photo Challenge. See the stunning images of sunrises, sunsets and ...

Northern lights occur when a solar flare interacts with Earth's atmosphere.

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown until a lost portrait surfaced.

The Sun’s Biggest Outburst in Decades Has Scientists on Edge ...

NASA is quietly entertaining one of the most audacious telescope concepts ever proposed: using the Sun itself as a giant lens ...

The sun is experiencing a violent solar storm, releasing one of the strongest solar flares seen in the past 30 years ...

The flares are coming from a solar region that was created in late January.

Recent X8-class solar flare activity reveals critical weaknesses in America's power grid, where geomagnetic currents could destroy transformers and trigger prolonged blackouts.

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the potential to ...

An Arizona-based astrophotographer has pulled off what may be an unprecedented feat in photography: capturing a skydiver in free fall perfectly aligned with the surface of the sun. Andrew McCarthy, ...

The first-ever images of the sun’s south pole reveal a messy jumble of magnetic activity in a never-before-seen region of our nearest star. The images, taken by the Solar Orbiter spacecraft and ...