A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

What is a quasar? Answers were almost as numerous as the astronomers who turned up at the Montreal meeting of the American Association for the Advancement of Science. New theories about the nature of ...

Quasars, first identified in 1963, are highly luminous, star-like astronomical objects characterized by significant redshifts, indicating their immense distances and their emission of more energy than ...

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 ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a ...

Space might seem calm when gazing up at the night sky, but invisible waves ripple continuously through the universe, bending space and time. These waves, known as gravitational waves, carry crucial ...

Astronomers have discovered a double-record-breaking pair of quasars. Not only are they the most distant pair of merging quasars ever found, but also the only pair confirmed in the bygone era of the ...

Plenty of groups have been theorizing about primordial black holes (PBHs) recently. That is in part because of their candidacy as a potential source of dark matter. But, if they existed, they also had ...

Stephanie LaMassa did a double take. She was staring at two images on her computer screen, both of the same object — except they looked nothing alike. The first image, captured in 2000 with the Sloan ...

CAMBRIDGE, MASS. — For the first time, astronomers have detected starlight from distant galaxies that host extremely bright supermassive black holes called quasars. “Ever since the discovery of ...