A distant black hole has been caught releasing the brightest flare ever, which is the result of it ripping apart and ...

We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...

The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

An international team of scientists, led by the University of Oxford, has achieved a world-first by creating plasma ...

Near the quasars in time are other, normal galaxies that have likely just passed through a quasar phase, as seen in images ...