For just one-tenth of a second in May 2019, the universe delivered a signal that did not fit the usual script. LIGO and Virgo ...

A supermassive black hole, ULAS J1120+0641, outgrows its galaxy and disrupts the cosmic balance, revealing a mystery of the ...

"The dark structures shaping galaxies today could be relics from a time before the Big Bang." The post Physicist Proposes ...

Astronomers discover two giant black holes set to collide in 100 years and detect key signals from Markarian 501.

The pair are located in the galaxy Markarian 501, around 500 million light-years from Earth ...

About 450 million light-years from Earth, a supermassive black hole is doing something astronomers have long suspected was ...

For a half-century, scientists have investigated ways to solve the black hole information paradox—the idea that when black ...

New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

A string of small gas clouds near the Milky Way’s central black hole has puzzled astronomers for years. Now, new observations ...

Scientists have captured stunning new insights into one of the universe’s most powerful phenomena—black hole jets—by using a planet-sized network of radio telescopes. Focusing on Cygnus X-1, one of ...

Supermassive black holes are among the most enigmatic objects in the universe. They typically weigh millions or even billions ...