The flare is ongoing, meaning that the black hole is still actively consuming the star, like "a fish only halfway down the ...

At a distance of160,000 light-years, an aging red supergiant star in a neighboring galaxy has become the subject of an ...

In a controversial new paper, researchers argue that the acceleration of the universe's expansion has slowed down.

A dwarf galaxy 100 million light years away is being stripped of its crucial star-forming gas, and it seems that the cosmic ...

For decades, we have been taught that the universe is expanding faster and faster. That belief has influenced our view of ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.

Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why ...

A team led by an astronomer from the University of Maryland has, for the first time, detected large complex organic molecules frozen in ice beyond the Milky Way, providing new insight into the ...

Astronomers have captured the most powerful and farthest black hole flare ever recorded—a cosmic light show so bright it ...

An international team of astronomers has employed the James Webb Space Telescope (JWST) to observe a distant galaxy ...

"Remarkable" findings from Yonsei University cast doubt on 'dark energy' theory and claim there is "no evidence" of an ...

It is widely accepted that the universe is expanding at an accelerating rate, but now researchers say our measurements of the ...