You might have heard of Quasars or have a vague idea of what they are, but the incredible reality of these monsters from long ...

Quasars are among the most powerful and mysterious objects in the universe,bright, energetic beacons powered by supermassive ...

The quasars could also have passed behind something that's blocking their signals -- but, as with everything about this case, we then have to ask: is it really likely that that's happened with of ...

The newly discovered double quasar, J121503.42–014858.7 and J121503.55–014859.3 — referred to as C1 and C2 by their discoverers — was spotted using the Subaru Telescope on Hawaii's Mauna ...

Binary quasars are systems of supermassive black hole binaries with associated quasar activity from an accretion disk that surrounds both supermassive black holes in the binary.