The sunspot region released as many as four X-class flares in a span of 24 hours.

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

NASA has reported a X4.2 solar flare, so what does it mean? We break down what a solar flare is and how it connects to the aurora Australis.

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

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

A solar flare is an extremely bright flash of radiation. It occurs when magnetic energy associated with a sunspot is suddenly ...

A flurry of activity solar activity this week produced a severe solar storm, sparking northern lights as far south as Florida on Tuesday night- just days after the sun unleashed its strongest solar ...

This cluster of sunspots has produced more than 60 solar flares, including several that could spark colorful auroras across ...

Solar flares and geomagnetic storms can have very significant effects on satellites, airplanes and GPS and electrical systems ...