Phoenix residents observed a pattern of strange lights floating over the Valley sky. A filmmaker from Arizona has made a ...

The upper stage of a SpaceX Falcon 9 rocket treated stargazers in Europe to a surprise display on the night of June 23, when ...

This video breaks down which cities are affected, what’s behind the color shifts, and why this matters for air quality and public health alerts. [unnatural sky colors] [green sky phenomenon ...

And that without the capacity to tolerate life's partial or total meaninglessness, we become perilously susceptible to ...

An Alberta couple, Ed and Melinda Pardy, possibly recorded rare ball lightning. This happened after a thunderstorm near their ...

If you looked up at the night sky in Stockholm last night, you may have been lucky enough to spot a rare phenomenon.

“After years of witnessing strange and unsettling phenomena across the mysterious 512-acre property in northeastern Utah, ...

Using a huge radio telescope, we spotted a blindingly fast flash of radio waves that appeared to be coming from somewhere inside our galaxy.

Editor's Note: "Strange sightings in Lewis County" is an ongoing series by Chronicle reporter Owen Sexton focused on the unexplained. With World UFO Day having just passed on July 2, a recent report ...

The technology is already transforming the industry — and could forever change the entertainment we consume. But the battle ...