Supermassive black holes sit in the centers of all massive galaxies. Many of these giants are actively accreting material, earning them the name active galactic nuclei or AGN. As material falls in ...

Gas-giant planets such as Jupiter and Saturn form quickly by scooping up pebble-size building blocks and pushing smaller potential planets out of the way, new research suggests. Stars are born from ...

Right at the brink of a black hole, gravity twists space and time so violently that ordinary physics starts to fall apart.

A model of ultraviolet and optical emission from the tidal disruption event AT 2018hyz is shown in this schematic diagram. As an accretion disk forms quickly after the TDE, it generates x-ray emission ...

Associate Professor CAI Zhenyi and Professor WANG Junxian from the Department of Astronomy at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), through ...

In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its peak, FU Ori was intrinsically ...