Astronomers Glimpse Cosmic Dawn, When The Stars Switched OnFor the first time, astronomers have glimpsed the dawn of the universe 13.6 billion years ago when the earliest stars were just beginning to glow after the Big Bang.
StarDate 8/13/2014: Scanning The 'Barcode' Of The SunUntil the middle of the 19th century, the stars were little more than mysterious points of light. Astronomers could plot a star’s position in the sky, or record changes in its brightness, but that was about all
StarDate 8/6/2014: Taking A Census Of Our Stellar Neighborhood In a time when astronomers are studying galaxies that are billions of light-years away, you might think that we know everything there is to know about our own cosmic neighborhood.
StarDate 7/9/2014: A Glittering Test Subject In The Summer SkyOver the decades, when astronomers wanted a subject for testing new techniques for studying the stars, they frequently turned to Vega, the brightest star of Lyra, the harp.