New UNLV-led research is helping to unravel clues to a cosmic mystery that has eluded scientists for decades. Cataclysmic ...

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 ...

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

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

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

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

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

Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive star. Its ...

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

The Hubble Space Telescope has captured imagery of the R Aquarii binary star system from 2014-2023. The images have been time ...

An artist's impression of Gamma Cassiopeia. (ESA/Y. Nazé) For 50 years, astronomers have been watching in bafflement as a ...

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