Back in 2020, astronomers discovered an unusual star system just 1,000 light years from Earth. However, two different teams disagreed on the nature of the system, which was dubbed HR 6819.

Would one frozen world, just visible on the rim of the Sun’s kingdom, turn decades of speculation on the concealed layout of ...

In the constellation of Cygnus, some 7,800 light-years from Earth, lurks a real space oddity. There, a black hole in a system named V404 Cygni repeatedly engages in behavior that has simultaneously ...

Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice ...

It's the third star in a trinary system, with the Alpha Centauri AB binary star. Proxima Centauri is about 13,000 AU from Alpha Centauri AB, and was discovered in 1915. More information: Mario ...

Gas distribution around the trinary protostars IRAS 04239+2436, (left) ALMA observations of SO emissions, and (right) as reproduced by the numerical simulation on the supercomputer ATERUI.