The Solar System consists of our star, the Sun, and everything bound to it by gravity; the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, along with dwarf planets like ...

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 ...

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

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

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could provide the best chance for the James Webb Space Telescope (JWST) to detect ...

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

"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 ...

In April 2011, Makemake – one of five dwarf planets in our Solar System – passed between Earth and a distant star. Using seven telescopes, an international team of astronomers observed the ...