See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Bizarre, beautiful clouds—known as mother-of-pearl clouds because they ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Enchanting footage of an extremely rare atmospheric phenomenon has been ...

Polar stratospheric clouds (PSCs) form in the extreme cold of the polar winter stratosphere and comprise supercooled liquid droplets and crystalline phases such as nitric acid trihydrate and ice.

There is something about winter travel in the Arctic that feels almost otherworldly. The air is sharp and clean. The sun barely rises above the horizon, painting the sky in soft pastels for hours. In ...

Bright multi-colored clouds shining in the night sky above Mount Jökultindur in Iceland on Jan. 25. The dark skies in the Arctic Circle recently shone with ethereal multi-colored light. But this ...

Nacreous clouds, or ice polar stratospheric clouds, are a rare type of cloud that forms in very cold conditions and at high altitudes. They are known for their iridescent colors, which are created ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Methane may have been heating the Eocene poles in another more subtle, fascinating ...

Our planet has warmed by about 1.2°C since 1850. Climate models simulate this effect, but when tested against the past 40 years of warming, these models fall short. The situation is even worse when it ...

Arctic observers were granted a rare spectacle when rare rainbow-colored clouds streaked the skies ahead of the holiday season. A cold wave sweeping through the Arctic brought the rare polar ...

Satellites and spacecraft burning up in our atmosphere are leaving metal particles in the stratosphere — and scientists are worried it could harm our planet. About 10% of the particles floating around ...