Scientists confirm Gliese 229B is a pair of brown dwarfs, not one Gliese 229Ba and Gliese 229Bb complete their orbits in 12 ...

Scientists have puzzled over the object known as Gliese 229B, the first known brown dwarf discovered 30 years ago.

"This is the most exciting and fascinating discovery in substellar astrophysics in decades," an astrophysicist said.

The first "failed star" was discovered in 1995, but it was far too dim. The explanation is now astonishingly simple – and ...

In 1995, Caltech researchers at the Institute’s Palomar Observatory first observed what appeared to be a brown dwarf orbiting Gliese 229 – a red dwarf star located about 19 light-years from Earth.

In 1995, Caltech researchers at the Institute's Palomar Observatory first observed what appeared to be a brown dwarf orbiting ...

Astronomers have made a surprising discovery about Gliese 229B, a well-known brown dwarf first identified nearly 30 years ago ...

Astronomers observed that the two massive, gassy heavenly bodies orbit each other.

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

Astronomers resolve longstanding mystery of Gliese 229B's dimness, despite its considerable mass. A Caltech-led team ...