Not long ago, I was at the observatory in front of a telescope, staring at the spectrum of a quasar on the screen, and the ...

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Astronomers uncovered seven dust-shrouded quasars from Cosmic Dawn, doubling the known tally of early supermassive black holes.

In the observatory's observation room, Xiao Li stared at the quasar spectrum on the telescope screen, his brow furrowed. The spectral lines, which should have been neatly arranged, now looked like ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after ...

Quasars represent some of the most luminous and energetic phenomena in the universe. These distant powerhouses are driven by supermassive black holes—colossal gravitational engines with masses ...

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They may have merged and evolved into a mega black hole inside one of the biggest galaxies in the cosmos. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

You’ll see some irregular galaxies that look like nothing, and some barred spirals that look like everything. Along the way, ...

A Hubble Space Telescope image of the core of quasar 3C 273. A coronagraph on Hubble blocks out the glare coming from the supermassive black hole at the heart of the quasar. This allows astronomers to ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with ...

Using the James Webb Space Telescope and the Subaru Telescope in powerful tandem, scientists have discovered the first ...