SpaceInflation deflated? The big bang's toughest test Our best theory of the early universe is starting to look a tad insecure. Could this mean we've got it all wrong, asks Michael BrooksFeatures
SpaceAstronomers measure temperature of the early universe Measurements of a distant galaxy's gas suggest the universe was about three times warmer 11 billion years ago than it is today ¿ìè¶ÌÊÓÆµ