The phenomenon is a key to galaxy formation. When galaxies collide, their central supermassive black holes often merge, forming larger ones, as seen in the Milky Way future collision with Andromeda in ...

The White House's 2026 budget proposal threatens dozens of active and upcoming science missions designed to explore the ...

Scientists say the two black holes merged after colliding at speeds near the limit allowed by Albert Einstein’s theory of ...

The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.