A supermassive black hole appears to be racing away from its galaxy at nearly 1,000 kilometers per second, leaving a ...

S301 passes close to Sagittarius A*—so close that its orbit could reveal how the black hole’s rotation warps the spacetime ...

At 15,500 miles per second, it’s the fastest planet or star ever observed by science, but its true value is how close it is ...

Astronomers have discovered the fastest known star in our galaxy, the Milky Way, orbiting the black hole at its center. The ...

Researchers have identified a speed demon at the heart of the Milky Way. This fast-moving star may yield insights into the ...

The star passes very close to the Milky Way’s supermassive black hole and could reveal the black hole’s spin by tracking how ...

A telescope has spied the fastest known star in our galaxy, racing around the supermassive black hole at the center of the ...

Astronomers have discovered a hitherto unseen population of galaxies with fading radio lobes, revealing what happens when ...

Three supermassive black holes in a distant and therefore very old galaxy offer a glimpse into how black holes merged and ...

Light from a distant galaxy has travelled for more than 12.5 billion years to reach Earth, allowing astronomers to see the ...

Astronomers have discovered a hitherto unseen population of galaxies with fading radio lobes, revealing what happens to these ...

Astronomers have found stars that repeatedly skim past supermassive black holes, surviving each encounter while producing a ...