中国科学院国家天文台大视场巡天与星系物理团组联合暗能量光谱巡天（DES）国际合作团队，首次探测到两例Lyα“变脸”类星体（Changing-look Quasars），这是迄今为止发现的最高红移“变脸”源。

Quasars, or extremely active black holes are the brightest objects in the universe. But aren't black holes meant to be ...

Astronomers discovered a colossal 36-billion-solar-mass black hole in the Cosmic Horseshoe galaxy, reshaping our ...

The discovery marks the largest sample of such galaxies ever compiled and will expand scientists' understanding of the number ...

The image captures HE0435-1223, one of the best lensed quasars, with four bright images formed by a foreground galaxy. This gravitational lensing effect creates a stunning celestial arrangement. The ...

They found a type of ultra-powerful galaxy that gobbles up everything around it. Its energy is so intense that, if it were ...