Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

While the Sun’s solar flares strongly correlate with sunspots, observations of more than 14,000 other stars show this is not generally the case.

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, ...

Sunspot AR4274 blasted an X1.7-class solar flare on Nov. 9 and followed it up with an X1.2 flare. Credit: Space.com | footage ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: SDO/AIC/NASA The sun has had an active few days, firing several powerful solar flares and ...

A mesmerising side-view video of a massive solar flare goes viral with eerie crackling sounds from real Nasa data.

A G2 storm, rated “moderate” on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

Solar flares can be many times the size of Earth and can damage things like satellites. A new study suggests that eruptions from the sun can be even hotter than researchers thought. Solar flares are ...

Learn why the Sun’s magnetic field is just as important as Earth’s and its impact on our planet.

The alignment of the Sun and Earth during the spring and autumn equinoxes can slightly increase activity, known as the ...