Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

But from where Earth sits in the observable universe, our view extends more than 13 billion years into the past. Far outside our Local Group, astronomers have found galaxies so metal-poor and so ...

A trip back in cosmic time This cosmic trip back in time revealed that the observable ... younger universe would have had to expand more quickly to reach its current size, and the images we ...

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, is dwarfed by the Hercules–Corona Borealis Great Wall. In fact, the team ...

Models of how the universe has evolved since the Big Bang allow us to predict how much normal matter (as opposed to dark matter) there should be in the observable ... by stacking images of some ...