Giant black holes create mystery by not flying out of galaxies.

Theorists predicted it would be one of the most dramatic events in the Universe: two black holes merging in a distant galaxy and then flying out of that galaxy, releasing the energy of tens of millions of Suns.

Read the story here.

Giant black holes create mystery by not flying out of galaxies.

Theorists predicted it would be one of the most dramatic events in the Universe: two black holes merging in a distant galaxy and then flying out of that galaxy, releasing the energy of tens of millions of Suns.

Read the story here.