The planet, named TOI-1846 b, is almost twice the size of Earth and four times as massive.
BREAKING🚨: NASA just discovered a ‘super Earth’ planet that is sending mysterious signal pic.twitter.com/Epgotb6BH1
— Curiosity (@MAstronomers) July 15, 2025
It orbits a small, cool red dwarf star every four days and causes a strange, repeated dip in the star’s light, a signal that first caught scientists’ attention when NASA’s TESS space telescope observed the dimming pattern in March of each year.