Hubbles law

• Could gravitational waves reveal how fast our universe is expanding? Signals from rare black hole-neutron star pairs could pinpoint rate at which universe is growing, researchers say (13 Jul 2018)
  
• How fast is the universe expanding? Quasars provide an answer (21 Sep 2017)
  
• NASA's Hubble finds universe is expanding faster than expected (03 Jun 2016)
  
• How can space travel faster than the speed of light? (14 Apr 2016)