In the world of black holes, there are generally three size categories: stellar-mass black holes (about five to 50 times the ...

The brutal star-destroying tidal disruption event is only the second ever seen in interacting galaxies.

The mystery object, known as ASKAP J1832- 0911, is located within the Milky Way about 15,000 light-years away from Earth.

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system ...

Astronomers have observed the most massive and oldest black hole jet ever, emanating from quasar J1601+3102. Stretching over ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same ...

Scientists have discovered a colossal object approximately 435 miles wide in the frigid outer reaches of our solar system, ...

While the James Webb Space Telescope looks for the most distant galaxies ever seen, astronomers have discovered something new ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

Astronomers announced the discovery of a new dwarf planet, provisionally named 2017 OF201, located in the remote outskirts of ...

A newly analyzed radio image reveals twin lobes stretching roughly 66,000 light-years on each side of a quasar called ...