The huge object is 12.7 times the mass of Jupiter and has a magnetic field 200 times more powerful.
Extrasolar planets may not be the only place where it is possible to find signs of extraterrestrial life.
Scientists have identified water clouds around a brown dwarf star that is 7.2 light years from the Earth.
A glow similar to the Northern Lights has been picked up around a brown dwarf star 20 light years away.
Astronomers have found evidence of water clouds outside of our own solar system for the first time.
The weather conditions found on a brown dwarf 6.5 light years away have been mapped for the first time.
Astronomers believe that there could be an exoplanet orbiting a nearby pair of brown dwarf stars.
A star so cold that you could go for a walk on it has been found by the Spitzer space telescope.
A brown dwarf star could be circling the sun and throwing extinction sized comets in our direction.