The powerful merger, designated GW231123, produced an extremely large black hole about 225 times the mass of our Sun.

William Mouw won the 2025 ISCO Championship at Hurstbourne Country Club in Louisville on Sunday for his first PGA Tour win.

ISCO Championship concluded Sunday at Hurstbourne Country Club. Read the latest from the PGA Tour event in Louisville, Kentucky.

William Mouw won the 2025 ISCO Championship at Hurstbourne Country Club in Louisville. He topped Paul Peterson to capture his ...