Morphological study of open clusters can provide observational evidence for tracing the formation mechanism of star clusters and help to explore the evolution of star clusters. The morphology of open ...

Researchers from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences have made significant progress in understanding how three-dimensional (3D) layered structures form ...

Former US Open champion Daniil Medvedev went ballistic on the chair umpire Sunday night after the umpire awarded a first serve to his opponent when a cameraman walked onto the court. Frenchman ...

As Jack Draper stepped up to serve in the third set of his US Open first round match against Federico Agustín Gómez on Monday, the British star threw up on court. It was a moment that brought back ...