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

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

A Sydney photographer has captured a rarely-observed rainbow cloud phenomenon called "iridescent clouds". Maria Milford was ...

While setting up a timelapse to photograph the Milky Way and airglow, Watson unexpectedly recorded ghostly green ripples ...

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 ...