Researchers identify one of the earliest stars in the universe
February 9, 2014The discovery suggests that the very first generation of stars may not have been as powerful as previously thought.
When the first stars blinked on
December 5, 2012The very first stars may have turned on when the universe was 750 million years old.
Measuring the universe’s ‘exit door’
September 27, 2012For the first time, an international team has measured the radius of a black hole.