They exist because of their enormous black holes. The lensing foreground galaxy in the Cosmic Horseshoe is named LRG 3-757. It's a particular type of rare galaxy called a luminous red galaxy (LRG ...

But, not all galaxies are created equal, it seems, as astronomers have discovered what they believe is a “dark galaxy,” a galaxy that doesn’t give off visible light. In most cases ...

Astronomers have discovered a record-breaking ultra-massive black hole, weighing 36 billion solar masses, at the heart of the Cosmic Horseshoe gravitational lensing system, challenging our ...

A mysterious phenomenon at the centre of our galaxy could be the result of a different type of dark matter. Dark matter, the mysterious form of unobserved matter which could make up 85% of the mass of ...