Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered an ultra-fast star travelling at more than 3.7 million miles per hour. It was ejected by the ...

Astronomers have spotted an ultrafast star, traveling at a blistering 6 million km/h, that was ejected by the supermassive black hole at the heart at the Milky Way five million years ago. The ...

An artist's impression of S5-HVS1's ejection by Sagittarius A*, the black hole at the center of the galaxy. The black hole and the captured binary partner to S5-HVS1 are seen far away in the left ...

Astronomers who made the “accidental” discovery said the star is moving through space 10 times faster than any other star in the galaxy. The runway star was dubbed S5-HVS1 and it is estimated to be ...