Over the past few days, an active sunspot has erupted multiple times, sending clouds of high-energy plasma into space. The ...

The sun unleashed a third X-class solar flare on Nov. 11. Clocking in at X5.1, it is the biggest solar flare this year and ...

The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and ...

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

The most powerful solar flare of 2025 has launched a ball of energy toward Earth that could trigger widespread auroras across ...

The strongest since Oct. 3, 2024 has been detected by NASA’s Solar Dynamics Observatory. It could mean widespread aurora ...

A powerful solar eruption from sunspot AR4274 triggered a massive X5.1-class solar flare, causing a Ground Level Event (GLE) ...

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

A few flares the past couple of days could generate an aurora in the US tonight and tomorrow. It may be visible rather far south, though it’s still uncertain how far.

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

Two new large solar flares over the last 36 hours have increased the chances of northern lights this week, here's the latest ...