• 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…

  • NASA unveils first global geologic map of Titan

    NASA has revealed the first global geologic map of Titan, the largest moon orbiting Saturn. The map showed a dynamic world of dunes, lakes, plains, craters, and other types of terrain. Aside from Earth, Titan is the only other known planetary body in the solar…

  • Water vapor detected on Jupiter’s icy moon Europa

    Astronomers have long suspected that Europa, Jupiter's moon, holds a salty ocean beneath its thick icy crust that could support life. NASA has confirmed that they have now detected water erupting from geysers on the surface of the moon. An international research…