Skywatchers across parts of the Northern Hemisphere are getting a spectacular opportunity to witness the aurora borealis, also known as the northern lights, as the natural light display reaches one of its peak periods.

The aurora appears when charged particles from the Sun collide with Earth’s atmosphere. These particles interact with gases high above the planet, producing glowing waves of green, pink, purple, and sometimes red light that ripple across the night sky.

Scientists say the recent increase in aurora activity is tied to heightened solar activity. The Sun goes through an approximately 11-year cycle, and during periods of stronger activity it releases more solar particles that can trigger brighter and more frequent auroras.

During peak periods, the northern lights can become visible much farther south than usual. While they are most commonly seen in high-latitude regions such as northern Canada, Alaska, and Scandinavia, strong auroras can occasionally be spotted in parts of the northern United States and northern Europe.

Experts say the best time to watch for the lights is typically between 10 p.m. and 2 a.m. local time, when the sky is darkest and geomagnetic activity tends to be strongest.

Finding a location away from city lights is also essential. Light pollution from urban areas can make it difficult to see faint aurora displays, so rural areas or open landscapes often provide the best viewing conditions.

Clear skies are another critical factor. Even when aurora activity is strong, heavy clouds can block the view entirely.

Those hoping to catch the northern lights before activity fades should monitor local space weather forecasts, which track solar storms and geomagnetic conditions that influence aurora visibility.

While auroras may appear suddenly and disappear just as quickly, patient observers are often rewarded with breathtaking displays that can last anywhere from a few minutes to several hours.

For many skywatchers, seeing the northern lights is a rare and unforgettable experience — a reminder of the powerful interactions between the Sun and Earth that unfold far above our heads every night.

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Sources Associated Press NOAA Space Weather Prediction Center