Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly ...

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"TIC 120362137 is currently the most compact known 3+1-type quadruple star system." ...

University of Copenhagen astrophysicists help explain a mysterious phenomenon, whereby stars suddenly vanish from the night sky. An unusual binary star system shows that massive stars can completely ...

In theory, it could happen – one of the very first solutions to the three-body problem was this scenario. But it is very unlikely to be stable over time. You need the stars to have near equal mass and ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth. Of the more ...

(Nanowerk News) One day, the star at the center of our own solar system, the Sun, will begin to expand until it engulfs Earth. It will then become increasingly unstable until it eventually contracts ...