Meet 55 Cnc B b, a fascinating newcomer discovered in 2025 orbiting the star 55 Cancri B, part of the famous 55 Cancri system known for its multiple worlds. Spotted using the radial velocity method from the Mauna Kea Observatory with the clever SPIRou instrument, this exoplanet adds another piece to the cosmic puzzle just a few decades after humanity’s first alien planet finds. While it might not have a flashy proper name yet, 55 Cnc B b’s presence enriches our understanding of the diverse planets circling stars beyond our Sun. Imagine standing on Mauna Kea, peering out into space, knowing you’ve helped unveil a new world spinning silently in the depths of the night!
