Last spring, the strongest geomagnetic storm in two decades slammed Earth, producing light displays across the Northern ...

The northern lights, also known as the aurora borealis, are one of nature's most spectacular displays. Auroras occur when charged particles from the sun collide with gases in Earth's upper atmosphere.

Instead, they alert relevant parties to prepare in the days before a solar outburst hits Earth. Consider aurora-watching in a quiet, dark area away from city lights. NASA’s Kelly Korreck ...

New England and New York City. Aurora displays known as the northern and southern lights are commonly visible near the poles, where charged particles from the sun interact with Earth’s atmosphere.

New England and New York City. Aurora displays known as the northern and southern lights are commonly visible near the poles, where charged particles from the sun interact with Earth's atmosphere.