Science and Exploration

Sagittarius A*

1 article

An artist's impression of a cone-shaped supernova remnant expanding near the supermassive black hole at the center of the Milky Way galaxy.
Space & Astronomy

Astronomers Spot Possible Supernova Remnant Near Milky Way Black Hole

A three-light-year-long, cone-shaped cavity, expanding at 3.

Mateo Rojas·June 28, 2026