Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational ...

An ultramassive black hole so huge it could swallow 30 billion suns has emerged from the cosmic background, revealed not by ...

New black hole research from the Flatiron Institute rethinks their formation under the influence of magnetic fields.

Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...