From Quanta Magazine (find original story here). In November 1915, in a lecture before the Prussian Academy of Sciences, Albert Einstein described an idea that upended humanity’s view of the universe.

Black holes exist in our universe. That’s widely accepted today. Physicists have detected the X-rays emitted when black holes feed, analyzed the gravitational waves from black hole collisions and even ...

According to Einstein’s general relativity, nothing is ever seen crossing a black hole’s event horizon. From the outside, objects appear to slow down, redshift, and freeze in time before fading away.

Mars 'I was not looking for this': Scientist accidentally finds shortcut to Mars that could slash travel time in half Engineering Quantum battery charges in a quadrillionth of a second with a laser — ...

In the past quarter century, astronomical observations have led to discoveries that have literally transformed our conception of the universe. One such transformation occurred in 1998, when dark ...