James

Deep field. Credit: NASA, ESA, CSA, STSCI Launched in 2021 on Christmas Day, the James Webb Space Telescope is the most complex, precise and powerful space observatory ever built. The telescope’s unrivaled resolution and sophistication are due in no small part to the many cutting-edge devices it contains, including a guidance camera and a scientific

Illustration of active galactic nucleus. Credit: ESA/NASA/AVO/Paolo Padovani A University of Kansas survey of a swath of the cosmos using the James Webb Space Telescope has revealed active galactic nuclei (AGN)—supermassive black holes that are rapidly increasing in size—are rarer than many astronomers had assumed previously. The findings, made with the JWST’s Mid-Infrared Instrument (MIRI)