Some dwarf galaxies in the early universe travelled so fast that their gas was stripped from them, according to a new computer simulation. This cosmic vanishing act could help explain a long-standing ...

A study published in July by a Harvard-Smithsonian Center postdoctoral student has uncovered important clues about the disputed explanation for dwarf galaxies beyond the gravitational effects of the ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...