Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

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.

James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 ...

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

TOI-6894 is roughly 240 light-years from Earth in the constellation Leo and is the smallest-known star to host a large planet ...

As part of a survey seeking giant planets around low-mass stars, researchers examined more than 91,000 red dwarf stars and ...

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.

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