From dead galaxies to mysterious red dots, here’s what the James Webb telescope has found in just 3 years

Dust in the heart of galaxy NGC628. NASA / ESA / CSA / Judy Schmidt, CC BY

On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and most powerful telescope humans have ever sent into space.

It took 30 years to build, but in three short years of operation, JWST has already revolutionised our view of the cosmos.