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

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

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。

DESI, which will be scanning the sky for five more years, is expected to observe around 40 million galaxies and quasars ...

In 2007, astronomers discovered the Cosmic Horseshoe, a gravitationally lensed system of galaxies about 5.5 billion ...

In 2007, astronomers discovered the Cosmic Horseshoe, a gravitationally lensed system of galaxies about five-and-a-half ...

Chinese spaceflight activities have been on pause in recent weeks due to the annual Spring Festival and New Lunar Year ...

The research, titled “Unveiling a 36 Billion Solar Mass Black Hole at the Centre of the Cosmic Horseshoe Gravitational Lens", ...