Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

Some 1.2 billion light-years from Earth, a massive event is unfolding on cosmic scales. There, not two, but three galaxies ...

This ancient dormant black hole didn’t just grow quickly—it may have shaped the galaxies around it. Representing 40% of its ...

Astronomers have found three supermassive black holes on a collision course in a rare cosmic event, situated nearly 1.2 ...

Astronomers have spotted three merging galaxies where all central black holes are actively feeding and radio bright, ...

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

Longest lightning, the first AI-generated genomes and biggest black hole smashup were among this year’s top science ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...