For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

For decades, Pluto was thought to be just another frozen rock spinning around the Sun, far from the action and mystery of the ...

An international team of astronomers discovered a giant exoplanet named TOI-6894b orbiting a red dwarf star called TOI-6894, ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...

A newly discovered gas giant, called TOI-6894b, orbiting a low-mass red dwarf star defies existing models of planet formation ...

The discovery of a Saturn-sized gas giant orbiting a small red dwarf is urging astronomers to reconsider their theories of ...

Sky This Week is brought to you in part by Celestron. Friday, June 6The Moon passes 0.5° south of the magnitude 1.0 star ...

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...

Pertussis infections have surged in recent months, and some people may need an additional shot for protection.