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.