Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.

WASHINGTON : Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - though they concluded that all of them are too hot to harbor life, much like our solar system's innermost planet Mercury.At about 6 light years away, Barnard's star is