Cities are rapidly becoming the defining residential space of human life. Over 55% of the global population lived in urban ...

Spacecraft burning up in the atmosphere are leaving behind metal particles. Scientists are racing to understand if that affects the climate. One risk is that these particles may spark rainbow-colored ...

Study finds increasing levels of dust likely had cooling effect that slowed global warming, which could speed up if dust stops increasing A new study shows that global atmospheric dust — microscopic ...

The ground stations of the European research infrastructure ACTRIS play an important role in calibrating the data from the EarthCARE satellite: they have been established and expanded in recent years ...

Tiny particles such as ice crystals or ash particles tend to oscillate as they settle through the atmosphere. In their experiments, the scientists were able to track non-spherical particles of size ...

The increasing number of satellites and space debris raises the risk of collisions.