Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a pair of astoundingly bright and spectacularly massive galaxies in the early Universe. These so-called hyper-luminous starburst galaxies are approximately 12.8 billion light-years from Earth and destined to merge into a single, massive elliptical galaxy. A paper reporting this discovery is published in the Astrophysical Journal. Artist’s impression of two...