Astronomers using NASA's Hubble Space Telescope have found a puzzling arc of light behind an extreme...

Using a powerful telescope based in Hawaii, a team of Japanese astronomers has peered back through t...

Planetary scientists claim to have discovered a distant young galaxy cluster located 10.5 billion li...

El Gordo consists of two separate galaxy subclusters colliding at several million kilometres per hou...

Astronomers have used an armada of telescopes on the ground and in space, including the Very Large T...

The developing cluster, named COSMOS-AzTEC3, was discovered and characterized by multi-wavelength te...

The survey was conducted using a breakthrough technique that detects "shadows" of galaxy clusters on...

This is the most distant such object yet observed, and could provide insight into the triggering of ...

The massive galaxy cluster, lying in the constellation of Cetus, is dominated by dark matter and is ...