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

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.

Three strong Class M flares were recorded on the Sun. This was reported on December 29 on the website of the Laboratory of ...

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.

LAS CRUCES, N.M. (KRQE) – Normally only visible much closer to the north pole, the Northern Lights have been seen as far south as New Mexico in recent years. These beautiful light shows are caused by ...

Space weather observers warn that the Van Allen radiation belts are now fully charged after repeated solar storms, raising ...

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 ...

What processes are responsible for heating solar flares and what dangers do they pose to Earth? This is what a recent study published in The Astrophysical Journal Letters hopes to address as an ...

Beautiful yet dangerous solar flares that erupt from the sun could be as hot as 180 million degrees Fahrenheit, researchers say. That's more than six times hotter than solar physicists previously ...