Brown Dwarfs

NASA’s NEOWISE (Near-Earth Object Wide-field Infrared Survey Explorer) spacecraft re-entered and burned up in Earth’s atmosphere on Friday night, as…

As a distant stargazer and a neighborhood watchdog, NASA's WISE/NEOWISE spacecraft has scanned the sky around us – both far…

To take a census of nearby cosmic objects, sending out a survey won’t work. Scientists need to use many telescopes…

It takes two to tango, but in the case of brown dwarfs that were once paired as binary systems, that…

Infrared emission from methane suggests atmospheric heating by auroral processes. Astronomers using NASA’s James Webb Space Telescope have found a…

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough…

A world with two suns, a lava planet, and a world trapped in eternal darkness are just some of the…

Using data from NASA’s Spitzer Space Telescope, scientists have identified the three fastest-spinning brown dwarfs ever found. More massive than…

Types of Stars The universe’s stars range in brightness, size, color, and behavior. Some types change into others very quickly,…