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 ...

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

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 ...

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 ...

"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 ...

Brown guessed that about half of the dwarf planet candidates have yet to be detected, bringing their numbers close to 2,000 or more. Even Brown's best estimate may be low, though. "[A]s you can ...