Sunspot AR3184 erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory (SDO) captured the fireworks. The sunspot has been very active since it rotated into SDO's view. Credit: ...

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

The sun erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory captured the blast in multiple wavelengths.

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.

Space weather has seen a flurry of activity this week. An explosive solar flare that erupted Tuesday, just two days after the ...

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

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...

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

The sun released a “strong” solar flare on Tuesday, February 3, after several others had been released in previous days, ...

Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.

An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.

A newly active area on the sun is responsible for dozens of eruptions known as solar flares, including back-to-back X-class ...