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

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

A celestial object some 15,000 light-years away is emitting bright flashes of radio and X-rays that scientists are struggling ...

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

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

An international team of astronomers has discovered 25 new quasars by analyzing multiwavelength data from various surveys.

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

The mystery object, located just a short 15,000 light-years from Earth in our Milky Way galaxy, was spotted emitting unusual ...