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

Astronomers from the California Institute of Technology (Caltech) and elsewhere report the discovery of a binary system ...

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

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

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

Stars are the fundamental building blocks of our universe. Most stars host planets, like our sun hosts our solar system, and if you look more broadly, groups of stars make up huge structures such as ...

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

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

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or “hot Jupiters,” astronomers can spend months or years ...

(THE CONVERSATION) Stars are the fundamental building blocks of our universe. Most stars host planets, like our Sun hosts our solar system, and if you look more broadly, groups of stars make up huge ...