The best alternative to dark matter and dark energy?
According to the standard model of cosmology, also known as ΛCDM (Lambda Cold Dark Matter) model, about 95% of our […]
A fascinating galaxy cluster
Astronomers have studied one of the most interesting galaxy clusters, Pandora’s cluster. Probably formed by complex and violent collisions, the […]
No dark flow in the Universe?
About three years ago, astrophysicists discovered an unexplained large-scale coherent motion in our Universe, the “dark flow”. A new study […]
An extremely old galaxy challenges theory
Astronomers have discovered a distant galaxy whose stars were born unexpectedly early in our Universe’s history. The observation, which would […]
The oldest galaxy cluster
An international team of astronomers discovered the most distant known galaxy cluster. The light coming from the cluster Cosmos-AzTEC3 was […]