A Sydney photographer has captured a rarely-observed rainbow cloud phenomenon called "iridescent clouds". Maria Milford was driving to the Gold Coast when she spotted the iridescent clouds over the ...

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

On May 26, under the clear and star-studded skies of Colorado, photographer Aaron Watson captured an extraordinary natural ...

What is the green flash? It’s often tied to pirate folklore but also commonly occurs in reality – learn what causes the flash ...

The green flash is a rare optical phenomenon above the horizon directly at sunrise or sunset. The color is caused by green ...

Hundreds gather along the streets of Manhattan to witness the solar phenomenon, which AMNH describes as "a rare and beautiful ...

The 2025 Manhattanhenge season starts today with the half sun visible on the New York grid. The 2025 Manhattanhenge season is ...

Manhattanhenge viewing parties are not unknown, but it is mostly a DIY affair. People gather on east-west streets a half-hour ...

The colors of the sunset result from a phenomenon called scattering ... This is why blue and violet light reaches our eyes from all directions on a clear day. But because we can't see violet ...

A breathtaking natural spectacle known as “Scrippshenge” captivated onlookers Friday evening as the setting sun aligned perfectly between the support beams of Scripps Pier in La Jolla.

This rare phenomenon occurs only twice a year ... The event drew photographers and sunset enthusiasts eager to capture the moment. University of California, San Diego campus photographer Erik ...