Black Holes

Cosmology, Exotic Objects

What are intermediate-mass black holes?

Cosmology, Exotic Objects

What are primordial black holes?

Exotic Objects

What Happens When Black Holes Collide?

Exotic Objects

How Did Quasars Form?

Exotic Objects

Can Light Escape from Black Holes?

Cosmology, Exotic Objects, Galaxies

Did Stars, Galaxies, or Black Holes Come First?

Exotic Objects

How Common Are Black Holes?

Exotic Objects, Galaxies

Does Every Big Galaxy Have a Central Black Hole?

Exotic Objects

White holes: Do black holes have mirror images?

Exotic Objects, Galaxies

Astronomers uncover hidden black holes in merging galaxies

Exotic Objects, Galaxies

Astronomers discover a new stage of galaxy evolution — the ‘cold quasar’

Exotic Objects

Scientists ask the public to help search for a rare breed of black hole