On a clear, sunny day, the sky above us often glows a brilliant blue, a sight so commonplace that many of us rarely stop to question why. While this natural phenomenon might seem simple to explain ...

The sky looks blue on a sunny day. But at night, we can see the faint glow of its true color. By Michael J. I. Brown | Published: January 11, 2023 | Last updated on May 18, 2023 ...

The lightning strike occurred approximately four miles from the storm, illustrating the danger of blue-sky lightning, which can travel up to 20 miles from its parent thunderstorm.

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...