The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

A powerful geomagnetic solar storm is helping to unveil northern lights across the United States. Here's how auroras become ...

Scientists are questioning whether humanity can truly “dim the Sun” without causing chaos. A new University study shows that stratospheric aerosol injection could trigger massive side effects ...

Using the world's most powerful solar telescope, researchers secured the first direct evidence of tiny, twisting Alfvén waves.

Astronomers detected a storm on a star other than our Sun for the first time, in an explosion so violent it could strip away ...

If you looked up at the sky Tuesday or Wednesday night, you might’ve seen a stunning glow ripple across the sky. The northern lights, or Aurora Borealis, made a rare appearance across parts of the ...

The discovery could explain how the corona's temperature greatly exceeds that of the Sun's surface, and identify a key driver of the solar wind.

For decades, scientists have wondered how the Sun’s outer atmosphere — the corona — burns millions of degrees hotter than its ...

At higher altitudes, like in the mountains, this energy emitted from the ground is harder to retain because more heat can be ...