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

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

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

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

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

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

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

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

Astronomers have spotted a star acting unlike any other ever observed as it unleashes a curious combination of radio waves ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

In a Universe that was only 700 million years old, long before Earth even formed, something unexpected happened. A massive ...