• Researchers find alcohol in air may slow down haze formation

    An international team led by researchers from the University of Pennsylvania, Beijing Institute of Technology, University of Helsinki and the University of Nebraska-Lincoln has found a missing link that affects haze formation in the atmosphere, providing new clues…

  • Very large impacts may have stimulated blasts of plate tectonics

    A new study suggests that the Earth's evolution from a hot, primordial mush into a rocky planet continuously resurfaced by plate tectonics may be triggered by extraterrestrial impacts. By examining the implications of these processes, the researchers believe…

  • First measurements of Earth’s ionosphere

    Researchers have used the largest atmospheric radar in Antarctica to make the first measurements of Earth's ionosphere. Observations in the southern hemisphere are significant in finding out the global features of both the atmosphere and the ionosphere. The…