Astronomers from the California Institute of Technology (Caltech) and elsewhere report the discovery of a binary system consisting of two brown dwarfs undergoing stable mass transfer. The detection of ...

Scientists have discovered an ultra-compact quadruple star system where three stars fit within Mercury's orbit.

Astronomers have discovered a record-breaking binary system, ZTF J1239+8347, which is a record-breaking case of two ‘failed ...

Faint flickers in the night sky have puzzled astronomers for decades. These subtle changes in brightness come from violent ...

A new study proposes an innovative way to uncover elusive supermassive black hole binaries by tracking subtle, repeating ...

Astronomers have discovered a rare binary system of brown dwarfs transferring mass in an ultra-tight orbit. Located about 1,000 light-years away, the pair may eventually merge or ignite fusion, ...

Researchers find cause of powerful X-ray emissions surrounding star Gamma Cassiopeiae to be hidden white dwarf - Anadolu ...

A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, ...

Binary star systems have always captured people’s imagination, but this video looks at them as real places humanity might one ...

For 50 years, astronomers have been watching in bafflement as a giant star flickers with powerful, erratic X-ray emission.

Visible to the naked eye in the constellation Cassiopeia, the star γ Cas has puzzled astrophysicists for half a century. It emits X-rays of an ...

A naked-eye star’s 50-year mystery is solved—its bizarre X-rays come from a hidden, feeding white dwarf.