Two new rocky planets discovered orbiting nearby red dwarf stars

1. 2. 2026

Two new rocky planets discovered orbiting nearby red dwarf stars

Star system: TOI 4336 A | Distance from the Sun: 73.2 light years

Astronomers using the 'sherlock' pipeline have uncovered two new rocky planets, TOI-237 c and TOI-4336 A c, hidden in data from the TESS space telescope. These planets are roughly 20% larger than Earth and orbit small, cool stars known as M dwarfs. TOI-237 c is a particularly hot world that zips around its star in just 1.74 days, while TOI-4336 A c resides in a complex triple-star system with an orbital period of about 7.6 days. Both planets are classified as super-Earths and represent exciting targets for future study; because they orbit such small stars, telescopes like the JWST will be able to peer into their atmospheres to see how these rocky worlds compare to our own terrestrial planets.

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Exoplanets TESS

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Hidden Gems in TESS: sherlock finds two new rocky planets around nearby M dwarfs external link

Stars mentioned

TOI 4336 A

Red dwarf

mass: 0.33 M☉

radius: 0.3 R☉

distance: 73.2 ly

stars in the system: 3

exoplanets: 2

TOI-237

Red dwarf

mass: 0.17 M☉

radius: 0.3 R☉

distance: 125 ly

stars in the system: 1

exoplanets: 2

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