Expansion of the universe

• 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)
  
• Unprecedentedly wide and sharp dark matter map (07 May 2018)
  
• How fast is the universe expanding? Quasars provide an answer (21 Sep 2017)
  
• Dark energy measured with record-breaking map of 1.2 million galaxies (21 Jul 2016)
  
• How can space travel faster than the speed of light? (14 Apr 2016)
  
• The mysterious dark energy that speeds the universe's rate of expansion (13 Sep 2015)