WASHINGTON (AP) — The center of our galaxy is teeming with black holes, sort of like a Times Square for strange super gravity objects, astronomers discovered.

For decades, scientists theorized that circling in the center of galaxies, including ours, were lots of stellar black holes , collapsed giant stars where the gravity is so strong even light doesn't get out. But they hadn't seen evidence of them in the Milky Way core until now.

Astronomers poring over old x-ray observations have found signs of a dozen black holes in the inner circle of the Milky Way. And since most black holes can't...