Add Yahoo as a preferred source to see more of our stories on Google. NASA and MIT astronomers have discovered a star system with three stars that orbit each other at a record-breaking pace.

(CNN) — Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the ...

Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in direct exoplanet imaging. The planet, known as HD 143811 AB b, is the closest-in world ever ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Astronomers have observed a binary star system orbiting near the ...

NEW YORK (AP) — Scientists have spotted what appear to be two stars whipping around each other near the supermassive black hole at the center of our Milky Way galaxy. Nearly every large galaxy has a ...

Scientists have found that young stellar cousins of our sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a new study using NASA's Chandra X-ray ...

Scientists said the light captured in the image left its source around 1,500 years ago.

Astronomers believe they’ve discovered a "Tatooine"-like planet orbiting two stars in a galaxy far, far away. The planet is orbiting two brown dwarfs, which are also known as failed stars. It’s about ...