Sometimes a brown dwarf is actually a planet — or planet-like anyway. A team led by Carnegie’s Jonathan Gagné, and including researchers from the Institute for Research on Exoplanets (iREx) at ...

Twirling pair Artist’s impression of Gliese 229Ba and Gliese 229Bb orbiting each other to create Gliese 229B. The brown dwarf pair orbit a cool M-dwarf star (shown in the distance) every 250 years.

Somewhere between a star and a planet, brown dwarfs drift through the galaxy too dim to see with the naked eye and too cool ...

Citizen scientists working with NASA have helped identify more than 3,000 brown dwarfs—dim, elusive objects that sit between ...

A new study has been completed in an attempt to answer some of the questions surrounding brown dwarfs. A brown dwarf is an object with a mass between that of a planet and a star. One of the questions ...

For nearly a decade, thousands of volunteers with no professional astronomy credentials have been staring at grainy infrared images on their laptops, hunting for faint specks that shift ever so ...

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own gravity, but they never become dense and hot ...

Astronomers at the University of Hawaiʻi have precisely measured the age of a nearby sun-like star and its unusual companion, known as a brown dwarf, an object that falls between a planet and a star.

Astronomers have taken the first detailed look at a mysterious Milky Way object known as "The Accident" — and discovered that it's even more perplexing than previous studies indicated. The Accident is ...

At a recent annual meeting of the American Astronomical Society (AAS)—the largest organization of professional astronomers in the country—many cosmic objects got their moment to shine. In the case of ...