Astronomers using the European Space Agency's XMM-Newton space observatory and the LOFAR telescope have definitively spotted ...

A severe solar storm is increasing northern lights chances in the US. Here’s who will have the best view Wednesday.

The Sun has just fired off its most powerful solar flare of 2025, causing radio blackouts across half the globe. As the ...

As of 9 a.m., the Space Weather Prediction Center's aurora viewline showed the northern lights may be visible in parts of the ...

For two nights, dazzling auroras delighted sky-gazers in unexpected places, including in the US as far south as Florida. The ...

More than 15 states should be able to see the coming aurora borealis. Find out which states will offer the best views.

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

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

Down here on Earth we don't usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are called coronal mass ejections (CMEs). They often occur together with sudden ...

Sunspot activity increases on November 1, 2025, as new regions emerge on the Sun. Solar flares, coronal mass ejections, and geomagnetic conditions are monitored by NASA/SDO and EarthSky.

On Nov. 11-12, a G4-level geomagnetic storm lit up the skies to produce bright northern lights. Here is everything to know and how to see them.

A global team observed a massive plasma burst from EK Draconis, showing how early solar storms may have shaped young planets.