University of Colorado Boulder astrophysicist Jeremy Darling is pursuing a new way of measuring the universe's gravitational ...

In this case, there is an exceptional alignment between two galaxies and a background quasar, forming a rare six-image configuration," "We called it an 'Einstein zigzag' because the optical path ...

The quasar, named J1601+3102 ... The cosmic microwave background—radiation left over from the Big Bang—tends to obscure them. But this time, astronomers were able to detect the jet using ...