An astronaut on the ISS photographed a "lunar halo" over the Indian Ocean, revealing ice and rare optical phenomena from ...

Far beyond the blue sky and the familiar glow of the aurora, Earth is wrapped in a vast, ghostly shroud of hydrogen that ...

NASA’s Carruthers Geocorona Observatory, a groundbreaking mission, is set to provide new insights into the outermost layer of ...

Sunday evening ended with a visual treat in the sky, and Monday morning continued the atmospheric spectacle! Cirrostratus clouds drifting over Metro Atlanta produced my favorite atmospheric optical ...

SEATTLE -- It was a sun halo party over Seattle Wednesday morning and every kind of atmospheric event was invited. Dr. Angela Rowe with the University of Washington Atmospheric Sciences Department ...

SEATTLE -- If you were up early Wednesday morning, you might have been treated to a rather brilliant show in the skies near the sun. Photos from around the region showed a rather bright halo around ...

On Reddit, users located as far as the U.K. also reported seeing the ghostly phenomenon. A moon halo is actually an atmospheric optical illusion that causes a large, bright ring to surround our ...

Whether they’re idyllic floating cotton balls on an otherwise blue sky or ominous grey swirls that block the sun, clouds all begin as an invisible dot of water vapor. This elusive gas has been tricky ...

The correlation between full moons and lunacy may be just folklore, but when winter temperatures turn frigid many eyes are turned skyward by another lunar phenomenon. "It was very, very bright this ...

JWST observations of Saturn's atmosphere revealed unprecedented details of its aurora and upper atmosphere, including previously unseen, complex structures. In the ionosphere (1100 km altitude), dark, ...