(via Sabine Hossenfelder) Cosmology, the branch of physics that deals with the universe, is facing a bit of a crisis right now. Four crises, actually. Let’s take a look at the biggest problems with ...

(via Dr. Becky) The Copernican principle states that the Earth is not in a special place in the Universe. Us humans are not privileged observers, we’re seeing the same Universe as everyone else; and ...

PHOENIX — An abnormally huge cosmic structure has put a ring on it — and that bling might threaten a fundamental assumption of cosmology. A ring of dense matter spans more than 3.3 billion light-years ...

A new JWST study has revealed the true origins of a luminous quasar that has been duplicated six times as its light "zig-zags" through space-time via a phenomenon first predicted by Albert Einstein.