University of Oregon astronomer Yvette Cendes made a surprising discovery years after a black hole shredded a star. What is ...

Like physics, math has its own set of “fundamental particles”—the prime numbers, which can’t be broken down into smaller ...

Black holes that turn matter into energy could explain dark energy and answer two other cosmic questions. Now, the challenge ...

Astronomers have used the LOFAR telescope array to create the largest radio survey of the cosmos, revealing 13.7 million ...

A subtle gravitational-wave “hum” from merging black holes may help settle the cosmic fight over how fast the universe is ...

A burst of X-rays from 8 billion years ago may be the first clear evidence of a white dwarf torn apart by a black hole.

Gravitational lenses could allow us to find black hole binaries long before we're able to measure their gravitational waves.

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

A distant quasar is defying two fundamental expectations of black hole physics. The object, known as ID830, is growing at 13 ...

At the heart of nearly every galaxy lurks a cosmic giant: a supermassive black hole. These mysterious objects, millions to billions of times more massive than our Sun, exert such powerful gravity that ...

The secret to the mysterious black holes at the center of galaxies. An image created using x-ray, microwave, and visible imagery reveals the jets and radio-emitting lobes emanating from Centaurus A's ...