Heading to the Pacific Northwest, Skagit Valley in Washington state nabbed second spot. With low air pollution and over 6,000 ...

July 11 is the last opportunity to see the 'Manhattanhenge' phenomenon light up New York City's iconic thoroughfares, as the ...

X CEO Linda Yaccarino resigns after two years at the helm of Elon Musk's social media platform Ship attacked by Yemen's ...

Thanks to a new nonstop flight from DFW Airport to Fiji, vacationing in this 333-island nation has never been more accessible ...

The hottest spots should include portions of the Midwest, the South and the Southwest. Readings top out in the 90s and 100s in those locations.

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has ...

There’s something truly enchanting about catching sight of iridescent clouds, shimmering like a spilled box of pearls against the dying light. These rare, pastel-hued displays ... Read more The post ...

NASA Wants Your Help to Study These Rare, High-Altitude Clouds That Appear to Glow at Sunrise and Sunset Noctilucent clouds usually form close to the poles, but in recent decades, they’re being ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere — and all you need are your naked eyes.

Starting Thursday, Chicago is glowing with the launch of Big Bus Tours' Sunset Live Tour season, just in time to celebrate a decade of rolling through the Windy City.

A strange looking cloud caught the eye of many across Oahu.