Jan 2, 2026 · Aurora, luminous phenomenon of Earth’s upper atmosphere that occurs primarily in high latitudes of both hemispheres; in the Northern Hemisphere auroras are called aurora …

Auroras are the result of disturbances in the Earth's magnetosphere caused by enhanced speeds of solar wind from coronal holes and coronal mass ejections. These disturbances alter the …

The brightness and location of the aurora is typically shown as a green oval centered on Earth’s magnetic pole. The green ovals turn red when the aurora is forecasted to be more intense. …

Oct 19, 2023 · An aurora is a natural light display that shimmers in the sky. Blue, red, yellow, green, and orange lights shift gently and change shape like softly blowing curtains. Auroras …

6 days ago · Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could disrupt Earth's magnetic field and trigger geomagnetic storm conditions.

Particles from solar eruptions bombard Earth’s magnetic field and enter the atmosphere at regions called auroral ovals. These particles interact with gases in the atmosphere, creating auroras. …

The aurora borealis and aurora australis have dazzled us in the night sky for centuries. Here’s what causes them—and where the best places are to catch a glimpse.

6 days ago · Science Space The Aurora Borealis Is Back Tonight, and It May Hit Up to 20 States This edition of the northern lights is brought to you by a pair of coronal mass ejections that …

A recent coronal mass ejection may disrupt Earth’s geomagnetic field on Friday, potentially making the aurora borealis visible in more than a dozen states across the northern U.S., …

Dec 29, 2025 · The northern and southern lights have been treating sky watchers to spectacular shows. But what causes the colors, and why shouldn't you whistle at the aurora?