A giant star that is still being consumed by a supermassive black hole may have caused the largest flare of its kind ever seen, astronomers say.

A supermassive black hole violently gobbled up an enormous star, producing a gargantuan cosmic outburst, according to a new ...

Scientists have released a new study on the arXiv preprint server that catalogs the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the ...

Discovered: The black hole that takes up the most space; running can hurt as well as help heart health; keep your eye on the ball is good advice after all; developing a universal cancer blood test.

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These efforts also help uncover how galaxies form and change over time. While most ...

Researcher Matthew Graham said scientists didn't initially "believe the numbers about the energy" emitting from the cosmic ...