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 ...

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

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

Astronomers have yet to explain the mystifying signals and their unusual intervals, but the team hopes their findings will ...

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

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

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

An international team reported Wednesday that this celestial object is emitting X-rays around the same time it’s shooting out ...

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

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