An international research team has used the James Webb Space Telescope (JWST) to observe massive galaxies discovered by the Subaru Telescope in a corner of the early universe known as the Spiderweb protocluster.

Astronomers have observed a binary star system orbiting near the supermassive black hole at the center of the Milky Way galaxy. The discovery of Sagittarius A* (Sgr A*), published Tuesday in Nature Communications,