Astronomers at the University of Hawaiʻi have precisely measured the age of a nearby sun-like star and its unusual companion, ...

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.

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 ...

Peppered throughout the universe are balls of gas that never got promoted to stardom. In a strange twist, evidence has just emerged that the most famous of these orbs is actually a double-act. Where ...

Image caption: This discovery image from the Gemini Observatory represents the closest brown dwarf companion ever directly imaged around a star (named LHS 2397a). This image was obtained on Feb. 7, ...

The James Webb Space Telescope zoomed in on extremely faint objects, called brown dwarfs, in the Flame Nebula. Credit: NASA / ESA / CSA / STScI / M. Meyer (University of Michigan) There's a class of ...

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 ...