Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

An astronaut’s photo from the International Space Station captures crepuscular rays and cumulonimbus clouds, revealing a ...

These clouds hang at an unusually high altitude, which suggests they are probably made of carbon dioxide ice — also known as dry ice. NASA released the eerie image on Monday. The sun's rays ...

These rings form as the sun’s rays are refracted and reflected through ice crystals, found within high level cirrus clouds. This refraction/reflection creates a ring of light in a radius of 22 ...

These streaks are an optical illusion known as Crepuscular rays. They’re typically caused by clouds partially blocking the ...

The sun? Then in 1912, Austrian physicist Victor Hess flew ... However, much closer to home, you can actually build your own cloud chamber and see cosmic ray trails yourself for about $100! Here’s ...

The wispy and feathery cirrus clouds are high enough that they reflect the last red orange rays of a setting sun back to the ground. Finally, weather can also influence the sunset. The contiguous ...

Neutron stars represent one of the final evolutionary stages of a massive star, forming when stars with at least eight times ...

Bermuda high pressure in the western Atlantic will continue unseasonably warm conditions into Friday. A cold front will move through the Middle Atlantic on Friday with a transient area of high ...

Thousands of people entered the stinking waters to pray in a religious festival, with some drinking the water.

Sweeping aside thick toxic scum, thousands of Hindu devotees ignored court warnings Thursday against bathing in the sacred ...

A tumultuous breeze, a push-and-pull struggle between the beaming sun and gloomy skies, and, as polling locations across ...