Once limited to higher latitudes, polar mesospheric clouds are becoming brighter and more visible over mid-latitudes. An astronaut aboard the International Space Station (ISS) took…
The sky isn’t falling, but scientists have found that parts of the upper atmosphere are gradually contracting in response to rising human-made greenhouse gas emissions….
Noctilucent clouds form so high in the atmosphere that they continue to reflect sunlight hours after sunset, creating a shimmering nighttime spectacle. Clouds illuminated during…
The Earth’s atmosphere has four primary layers: the troposphere, stratosphere, mesosphere, and thermosphere. These layers protect our planet by absorbing harmful radiation. Thermosphere 53–375 Miles…
Summer in Antarctica is marked by days in which the Sun never sets, balmy temperatures that hover as high as freezing, and electric-blue clouds of…
First noticed in 1885, noctilucent clouds have left researchers with many unanswered questions and now that scientists working on NASA’s AIM mission have detected bits…