Christopher D. Martin

A brief radio flash came from a galaxy that existed soon after the Big Bang. The James Webb Space Telescope helped pinpoint its source—a small, clumpy cluster of stars bustling with star birth. This is the first flash traced to an object at such a distance, and it now allows us to study invisible ga

Scientists studied the galaxy VV 340a, where the jet from its central black hole wobbles with a period of about 800,000 years. It sweeps away gas—roughly 19 solar masses per year. The superheated gas leaves the galaxy, and star formation shuts down.