High in Earth’s mesosphere, a rare and breathtaking phenomenon unfolds—Noctilucent Clouds. These glowing clouds captivate skywatchers, but scientists are growing increasingly concerned. What do these ...

Gunung Baha is a less daunting but equally beautiful climb ... it is a passage into a world where nature reigns supreme, clouds dance at dawn and the soul finds solitude amidst towering trees ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

This stunning satellite photo shows one of the world's most famous and potentially ... spacecraft through a strangely shaped hole in the clouds. Vesuvius is a 4,203-foot-tall (1,281 meters ...

Nacreous clouds live around 20 to 30 kilometers (68,500 to 100,000 feet) above Earth’s surface when water vapor and other chemicals in the atmosphere freeze into tiny airborne ice crystals.

Latin for “night shining,” noctilucent clouds (also known as twilight clouds) are responsible for Earth’s vibrant red, orange, and purple dawn and dusk skies. If the conditions are just ...

Noctilucent clouds are not merely an extraterrestrial phenomenon. Rocket launches on Earth can cause the glowing clouds in Earth’s upper atmosphere, which are only visible shortly after sunset ...

In this video, delicate red-and-green-tinted clouds are seen drifting through the Martian sky in striking patterns that look similar to the ones Earth clouds make. Studying how and where on Mars ...