15-11-13 Despite being discovered 20 years ago, very little is known about brown dwarfs - notably why they fail to grow into stars. Scientists say part of the answer probably lies in the physics of how dense plasmas merge inside them. Now researchers, led by...

10-12-02 Astronomers have discovered that small, dim（暗淡的，昏暗的） stars known as red dwarfs are much more prolific（多产的，丰富的） than previously thoughtso much so that the total number of stars in the universe is likely three times bigger than reali...