The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

Colorful auroras could dazzle skywatchers again on Monday night amid a severe geomagnetic storm and what the National Oceanic ...

How can astronomers observe and study the Sun’s activity in the most efficient way despite the Sun and Earth orbiting each ...

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.

NASA’s Parker Solar Probe has directly observed magnetic reconnection in the Sun’s atmosphere for the first time, confirming decades-old theories about solar explosions. This discovery bridges ...

NASA has selected a proposed solar mission for further study as part of its Small Explorer programme, extending early design ...