In September 2023, astronomers discovered an Einstein ring, named JWST-ER1, in data collected by JWST. The luminous structure has two parts: JWST-ER1r, which is the actual luminous ring made of ...

The title of the open access research paper is "Cold Dark Matter and Self-interacting Dark Matter Interpretations of the Strong Gravitational Lensing Object JWST-ER1." More information ...

Why it's so special: What are the smallest stars? A deep dive into the star-forming Flame Nebula by the James Webb Space Telescope (JWST) has revealed free-floating, Jupiter-size objects that ...