The space rock was first spotted in August by astronomers in Madrid using a powerful telescope located in South Africa.

"Gliese 229B was considered the poster-child brown dwarf, and now we know we were wrong all along about the nature of the ...

The astronomers discovered that Gliese 229B wasn't a single object but a pair of brown dwarfs, orbiting each other closely.

WHY IT RATES: Swan Hellenic is offering a first-of-its-kind expedition series in a partnership with the SETI Institute, ...

The first “failed star” ever discovered has been a weird outlier since it was discovered 20 years ago. New observations show ...

Hundreds of papers have been written about the first known brown dwarf, Gliese 229B, since its discovery by Caltech ...

All these planetary finds, of which there are now over 5,700 confirmed discoveries, help us grasp what's out there — and ...

The 208-gigapixel image showcases an area of the southern sky about 500 times the area of the full Moon, as seen between ...

The legend goes that after scientist Enrico Fermi helped bring an end to World War II through his crucial work on the ...

From her home on Elm Avenue, Nikole Satelmajer has a clear view of the future Barn & Lodge. The empty brick building at 711 W ...

About the size of a basketball court with its solar wings unfurled, Clipper will swing past Mars and then Earth on its way to ...

A massive NASA spacecraft has set sail for Jupiter and its moon Europa. The craft named Europa Clipper will peer beneath the ...