On cold, sunny days, tiny ice crystals in the atmosphere can create breathtaking displays like halos, sundogs, and light pillars.

Any reference will tell you the Novaya Zemlya effect is a polar mirage — and it is. But Novaya Zemlya-like effects are not limited to the Arctic. The Novaya Zemlya effect is an atmospheric refraction ...

The phenomenon, known as paraselene or "moon dogs," is an optical illusion caused by moonlight refraction.

A MONGST the many perplexing problems with which geographical surveyors have to deal those which concern the determination of altitude are not the least. For purposes of practical ability, such as the ...

No this isn’t about dogs that are relaxing in the sun. This Weather Kids lesson is about sundogs! Some may say they’re the best friend of atmospheric optics. What are atmospheric optics? Atmospheric ...