Astronomers have used the James Webb Space Telescope (JWST) to take the longest look yet at our galaxy's supermassive black hole — and it's frothing with unusual activity.
Situated 26,000 light-years away in the center of the Milky Way, Sagittarius A* is a gargantuan tear in space-time that is 4 million times the mass of the sun and 14.6 million miles (23.5 million kilometers) wide.
