Westerly winds over Main Range caused an oscillating "mountain wave" effect which lasted a few hours on Monday.

What is the phenomenon of the Sun being surrounded by a circle? This article will explain in detail to you the phenomenon of ...

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

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 ...

Exploding stars V462 Lupi and V572 Velorum are best seen from the Southern Hemisphere. One has been spotted from the United States.

Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful that, for a ...

The Action Network’s list cited Oregon’s “combination of dark-sky preservation, moderate elevation, and fireball activity” as the reason for its high rank.

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

Residents express amazement after seeing mystery object streak across the sky More than 200 people across a half-dozen southern states have reported witnessing a mysterious object streak across ...