P.M. EDT, marking the official beginning of summer for those in the Northern Hemisphere. On this date, the Sun is located directly above the Tropic of Cancer at 23.5° north, taking its most northerly ...

While astronomy and clouds don’t usually mix, a rare type of atmospheric phenomenon, ... High-Altitude Clouds That Appear to Glow at Sunrise and Sunset. Story by Margherita Bassi • 4w.

This is the best time of year to see great sunrises and sunsets. Any sunrise or sunset can be beautiful, and “best” is subjective. But perhaps the most eye-catching variety happens in a sky ...

A note overlaid on the video says, "Never in my life have I seen a cloud so big it blocks the sunrise all the way across the sky." The clip has amassed 4 million views since it was first shared on ...

It's pretty common for the sunset or sunrise before a tropical system to be especially beautiful. You're not just imagining it. It's all about atmospheric optics. With Debby hundreds of miles to ...

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 ...