Paul Sutter is an astrophysicist at The Ohio State University and the chief scientist at COSI science center . Sutter leads science-themed tours around the world at AstroTouring.com . Sutter ...

An unusual-looking pastel halo that forms around the sun when billows of pollen blanket the air was captured in stunning images. Photographer Mikko Peussa witnessed the beauty of rainbow-colored rings ...

Atmospheric Ice-Crystal Effects are often observed, starting this time of year, because of the frequent appearance of high clouds made of tiny bits of ice. The most familiar of these optical effects ...

A ring circling the moon is called a halo. A related sight is a corona; that’s when the moon is surrounded by a glow. They’re related but form slightly differently. A halo happens when light bends and ...

Don't miss out on the headlines from Cairns. Followed categories will be added to My News. However, while meteorologists agree the phenomenon is a sign of something happening high in the atmosphere, ...

CAPE CANAVERAL, Fla. (AP) - A pair of European satellites have created the first artificial solar eclipses by flying in precise and fancy formation, providing hours of on-demand totality for ...

There are many things we don't understand in this universe — and some of those things sit right in our own backyard. Not our literal backyard, of course, but in one case, at the very heart of our ...