Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party ...

If the object forms like a star – from a collapsing clump – it is a brown dwarf. Growing from smaller bits and accumulating gas? The object is a planet. These candidates have formed like stars ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

In 2018, astronomers discovered a brown dwarf binary system. Brown dwarfs are stellar objects that never had enough mass to ...

Astronomers have discovered a strikingly unusual exoplanet: one which orbits its host stars in a totally new way. The planet ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

"The problem is that until now, most of these planet candidates could just have been ... it'd be considered a type of failed star called a brown dwarf. Researchers now hope to use the new image ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ring of icy bodies beyond the orbit of Neptune. The small new world -- temporarily named ...