Astronomers Stunned to Stumble on 'Cosmic Horseshoe' With a Black Hole the Size of 36 Billion Suns Experts have detected a ...

The "Cosmic Horseshoe" is an Einstein ring, a system made up of a foreground galaxy whose mass is so great, it warps the light from a galaxy behind it. Now, astronomers know where it gets this mass ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

The foreground and background galaxies are in such perfect alignment that they create an Einstein ring. New research into the Cosmic Horseshoe reveals the presence of an ultra-massive black hole ...

It has been an action-packed week at the top of the World Series of Poker Circuit titles leaderboard. On Mar. 3, Maurice ...