Some scientists think they discovered a new dwarf planet at the edge of the solar system, so far away that it takes around 25 ...

The giant planet, named TOI-6894b, was spotted using NASA’s Transiting Exoplanet Survey Satellite, or TESS. The work was led ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

Astronomers have found that planet mass is about 17% of the mass of Jupiter, or about 53 times the mass of the Earth. The ...

Scientists' best explanation for how planets form is called the core accretion theory. The birth of a planetary system begins ...

A small red dwarf star is challenging our knowledge of how planets form by coexisting with a massive exoplanet, much like a ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.

The host star, TOI-6894, is a red dwarf with only 20% the mass of the Sun, typical of the most common stars in our galaxy.

Screening can now determine their risk for an ever-growing list of conditions — including ones we can’t do much about.