• Science Updates
    Milky Way Forged by Galaxy ‘Mega-Merger’ 10 Billion Years Ago: Study

    The Milky Way’s signature halo is mostly stellar rubble from a cosmic collision 10 billion years ago with another galaxy a quarter of its size, scientists stunned by their own discovery reported Wednesday. The slow-motion crash with Gaia-Enceladus – named after the giant of Greek mythology born of Earth and Sky – not only provided the […]