News tagged with cosmic microwave background

Cosmologists cast doubt on inflation evidence

It was just a week ago that the news blew through the scientific world like a storm: researchers from the BICEP2 project at the South Pole Telescope had detected unambiguous evidence of primordial gravitational waves in the cosmic microwave background, t ...

Mar 25, 2014 3.3 / 5 (98) 65

Ripples in the cosmic background

(PhysOrg.com) -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough ...

Sep 07, 2010 4.6 / 5 (21) 5 | with audio podcast