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

A strong solar flare peaked just after 9 a.m. Tuesday, but what does that mean? Can it be seen from Earth? Tuesday's solar flare was not the first this year or even this month. Here is more ...

From 93 million miles away, the Sun just got a lot more personal. Astronomers have now seen some of its finest magnetic threads in sharper detail than ever before, and those tiny features could change ...

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, ...