"It's difficult to explain how these quasars could have grown so big if they appear to have nothing to feed from." ...

Astronomers used the James Webb Space Telescope to detect ancient lonely quasars with murky origins. They appear to have few cosmic neighbors, raising questions about how they first emerged more than ...

Quasars—once blazing bright across the cosmos—seem to have vanished. But where did they go? In Part 4 of our black hole ...

The black hole’s mass is over half that of all the stars in the surrounding galaxy, a record for any galaxy hosting a quasar.

Supermassive black holes have generated powers called Quasars, which have been found using the James Webb Space Telescope ...

天文学家利用韦伯望远镜发现了流浪类星体。它们周围几乎没有邻居，引发了对它们如何在 130 亿年前起源的疑问。类星体是遥远星系的明亮核心，由于其中心的超大质量黑洞在大肆吞噬周围的物质，释放出巨大的能量，它们因此成为宇宙中最明亮的天体之一。但 MIT ...

Gamma rays around this energy level are known to zip around the cosmos, but scientists thought they mostly originated in ...

Astronomers observed ancient quasars that appear to be surprisingly alone in the early universe. The findings challenge physicists' understanding of how such luminous objects could have formed so ...

As the black hole draws in surrounding gas and dust, it blasts out an enormous amount of energy, making quasars some of the brightest objects in the universe. Quasars have been observed as early ...

The James Webb Space Telescope has discovered lonely quasars in the early universe, with "empty larders" that defy theories surrounding their growth to monster sizes. Using the James Webb Space ...

A new MIT-led study into five ancient quasars brought more questions than answers on how scientists previously believed these objects came to be. A quasar is the blazing centre of a galaxy ...