A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

Solar activity is likely to be on the decline all the way to 2030, which will mark the end of Solar Cycle 25.

According to the NOAA space weather forecasters, geomagnetic activity is ramping up just enough to make aurora viewing ...

Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

Largest solar radiation storm in more than 20 years could trigger auroras on Earth - A solar radiation storm this large has ...

Has the Sun’s activity increased or decreased in the last few years? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of scientists investigated ...

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

Research conducted by an international team of astronomers from Southwest Research Institute, Aryabhatta Research Institute ...

Cosmogenic radionuclides, such as 14C and 10Be, are produced in Earth’s atmosphere by interactions with cosmic rays and offer a unique window into past solar variability. Their deposition in natural ...