Atop a frigid mountain peak in Iran, skywatcher Amir Hossein Abolfath captured a phenomenal sun setting with a brilliant flash of green. This photo of the sun setting over the Zagros Mountains of Iran ...

THE not very frequently observed appearance of a vertical pillar of light through the sun when nearly setting was so very remarkably distinct and bright this evening as to deserve, perhaps, a ...

A spectacular "firefall" wowed nature-watchers in California's Yosemite National Park on Wednesday, with the setting sun lighting up a waterfall like a ribbon of fire. For a couple of weeks every year ...

Twice a year, during the spring and fall equinoxes, the rising and setting sun lines up with Chicago’s east-west street grid, creating spectacular photo opportunities as the sun is framed within ...

On earth, the setting sun is known for its fiery tints. Meanwhile on Mars, the daily sunset takes on a more tranquil cast. The Curiosity Rover's first color images of a Martian sunset show the sun ...

The world-famous New York City Skyline will be the focal point of a captivating astronomical alignment this week, an event known as Manhattanhenge. Manhattanhenge occurs when the setting sun aligns ...