Dubbed the “Big Wheel,” it’s a galaxy much like our own Milky Way—a humongous, spiraling disk of stars, gas and cosmic dust. But Big Wheel is even bigger than our home galaxy; it’s some ...

Nicknamed "Big Wheel," it is in fact one of the largest galaxies ever observed from this early cosmic era. The scientists found Big Wheel near a quasar, which is a powerful and active supermassive ...