The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Using the Spektr-RG (SRG) space observatory, astronomers from the Russian Academy of Sciences have inspected a radio-loud ...

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space Telescope to capture a rare, close-up view of a quasar’s core.

The Hubble Telescope's 1990 image of the Einstein Cross, where the gravity of a foreground galaxy lenses the light of a distant quasar into four distinct images. | Credit: NASA, ESA, and J.

NASA’s Hubble Space Telescope has unveiled a strikingly detailed view of one of the universe’s most iconic and powerful objects — the quasar 3C 273. This new glimpse into the core of the quasar, ...

Hidden' monster: NASA's Hubble Space Telescope captured this view of Galaxy ... orbital dance at the core of Markarian 231, the nearest quasar to Earth. The black hole pair generates massive ...

American astronomers achieved a groundbreaking discovery, which revealed a quasar that possibly acted as one of the key factors in terminating the “dark ages” era of the universe. The NuSTAR X-ray ...

By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our ...