Clouds are important for Earth's energy balance because they interact with radiation in different ways. On one hand, low clouds reflect incoming solar radiation and thus cool Earth through a property ...

Noctilucent clouds over the Baltic Sea, as seen from Germany in 2019. Typically seen in polar regions, the clouds are increasingly appearing at mid- and low latitudes. Matthias Süßen via Wikimedia ...

Planetary scientists have discovered the highest clouds above any planetary surface. They found them above Mars using the SPICAM instrument on board ESA’s Mars Express spacecraft. The results are a ...

While astronomy and clouds don’t usually mix, a rare type of atmospheric phenomenon, called noctilucent or night-shining clouds, offers an exception, as reported by Space.com’s Anthony Wood.