Nemesis theory suggests a hidden brown dwarf companion star triggers mass extinctions every 26 million years, but advanced ...

Brown dwarfs, also known as "failed stars," could be corrupted by dark matter and transformed into "dark dwarfs" powered by ...

JWST has detected rare silane gas in an ancient, oxygen-poor brown dwarf, revealing a key clue to why Jupiter and Saturn hide ...

Astronomers found a rare quadruple system of two red dwarfs and two brown dwarfs 82 lightyears away, offering new insight into these elusive objects. (Nanowerk News) The "exciting" discovery of an ...

Astronomers have discovered phosphine gas in the atmosphere of an ancient brown dwarf, Wolf 1130C, using the James Webb Space ...

When astronomers pointed the James Webb Space Telescope (JWST) at a faint object orbiting a distant star system, they weren’t expecting to find one of the universe’s strangest chemical ...

Astronomers using the James Webb Space Telescope have detected phosphine gas in the ancient brown dwarf Wolf 1130C, a discovery that contradicts years of predictions about how phosphorus behaves in ...

The finding suggests phosphine—a potential biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out. Reading time 5 minutes For scientists, the ...

Researchers at McGill University and collaborating institutions have mapped the atmospheric features of a planetary-mass brown dwarf, a type of space object that is neither a star nor a planet, ...

"If you were able to stand somewhat close to the white dwarf's pole, you would see a column of gas stretching 2,000 miles ...