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

"We've measured more precisely that the observable universe extends almost 50 ... had to expand more quickly to reach its ...

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 ...

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 ...