Here are some astounding scientific firsts of 2023

A simulation of the cosmic web

In this simulation of the cosmic web, shock waves along filaments emit radio light (pink) as they ripple through magnetic fields (cyan). Scientists have now spotted the radio glow, confirming the shock waves exist.

F. Vazza, D. Wittor and J. West

Science experienced many first-of-a-kind feats this year. These are the groundbreaking achievements that grabbed our attention.

Cosmic web shake-up

Glowing threads of gas, galaxies and dark matter provided the first tangible evidence that shock