Tag: galaxy clusters

When the JWST was launched, we were promised amazing photos. Well, we got amazing photos.

Small-scale concentrations of dark matter produce lensing effects that are 10 times stronger than expected, a new study found.

Galaxy clusters Abell 399 (lower centre) and Abell 401 (top left). The galaxy pair is located about a billion light-years ...

Two studies put Einstein's theory, the General Theory of Relativity to a test unlike any other before. The two teams ...