The bold question-askers at What If venture beyond the event horizon to speculate what could lie inside a black hole.

The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika ...

The most incomprehensible thing about the universe is that it is comprehensible,” Albert Einstein once pondered. But even as ...

Black holes are expected to be the last giant objects left in the universe, but even they will slowly shrink and disappear ...

At the heart of a black hole lies what’s called a “singularity” — a point where our laws of physics break down, and gravity becomes infinite. But the defining edge of a black hole is the event horizon ...

A few, however, carry extreme energy: more than a million times what particle accelerators on Earth can produce. A new study suggests that those monsters are born in the churning magnetic fields of ...

A powerful new technique is poised to revolutionize how astronomers observe black holes, by producing sharp, multicolored ...

New findings about intermediate-mass black holes could shed light on some of the universe’s more mysterious components. In a recently published paper, a group of scientists have found new evidence of ...

There are objects in our universe so dense that not even light escapes through them. These oddities, known as supermassive black holes, can weigh billions of times more than our sun. Scientists have ...

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black hole, it gets torn apart in a fireworks show called a tidal disruption ...

Aesop Rock, Black Hole Superette (Rhymesayers) Aesop Rock has been making what was once considered “experimental” hip hop for so long now that all that’s left from album to album is pure outcome, ...

A new hypothesis from physicists at the University of Portsmouth in the U.K. challenges the long-standing Big Bang Theory as the ultimate origin of the universe. This new “Black Hole Universe ...